https://www.sigidwiki.com/wiki/Category:Digital [INS::INS] Digital Signals From Signal Identification Wiki Jump to: navigation, search Click the name of a signal to see more detailed information, possible decoding, and additional sound and waterfall samples Color Legend Inactive Active Status (No longer in use) (Currently in active use) Unknown or Intermittent Signal Name Description Frequency Mode Modulation Bandwidth Location Sample Waterfall image Audio The first generation of cellular mobile 824 MHzMegaHertz (MHz) NFMNarrowband FMFrequency 10 kHzKiloHertz 1G Advanced Mobile telecommunications, which used analogue NFM 10^6 Hz -- 894 MHz Frequency Modulation, FSK (kHz) 10^3 Hz -- 30 Worldwide AmpsCC.png Phone System (AMPS) Narrowband Frequency Modulation voice. MegaHertz (MHz) 10^6 Hz Modulation Frequency-Shift kHzKiloHertz (kHz) Keying 10^3 Hz CDMACode Division Multiple Access-One also known as IS-95, was the first ever cellular QPSKQuadrature 2G CDMA (IS-95) standard technology based off of CDMACode 850 MHzMegaHertz (MHz) AMAmplitude Phase-Shift Keying 1.228 MHzMegaHertz 2gcdma.png Division Multiple Access. It is now defunct due 10^6 Hz Modulation (2 bits per (MHz) 10^6 Hz to GSM and later classes of cellular techs symbol) replacing it. QAMQuadrature Amplitude WCDMA, known primarily as 3G mobile, is a Modulation, QPSK family of 3G data protocols used to send voice, 824 MHzMegaHertz (MHz) RAW, AMAmplitude Quadrature 4.2 MHzMegaHertz 3G WCDMA text and signaling data to smart phones and 10^6 Hz -- 2,100 MHz Modulation Phase-Shift Keying (MHz) 10^6 Hz 3GWCDMA.png other wireless devices. MegaHertz (MHz) 10^6 Hz (2 bits per symbol), CDMACode Division Multiple Access OFDMOrthogonal Long Term Evolution Network. Also known as 4G Frequency-Division 1.4 MHzMegaHertz LTE Data and Evolved Universal Terrestrial 700 MHzMegaHertz (MHz) Multiplexing, PSK (MHz) 10^6 Hz -- 20 4G LTE Network Radio Access (E-UTRA). Data service for 10^6 Hz -- 2,200 MHz RAW Phase-Shift Keying MHzMegaHertz (MHz) Worldwide LTE Thumb.jpg wireless consumer devices. MegaHertz (MHz) 10^6 Hz , QAMQuadrature 10^6 Hz Amplitude Modulation 5G cellular, also known by 3GPP '5G' NR (new radio), etc. is a newly released cellular 5G "New Radio" standard that allows for backwards 600 MHzMegaHertz (MHz) UFMC, GFDM, OFDM cellular network - compatibility with 4G LTE, and will allow for 10^6 Hz -- 50,000 MHz AMAmplitude Orthogonal 100 MHzMegaHertz Worldwide 5Gdownlink.png Downlink several gigabits of connection speeds, (up to MegaHertz (MHz) 10^6 Hz Modulation Frequency-Division (MHz) 10^6 Hz 10-100Gb) per second. This is the 600 MHz Multiplexing, FBMC MegaHertz (MHz) 10^6 Hz downlink band for the new standard. BPSKBinary Phase-Shift Keying 2,412 MHzMegaHertz (1 bit per symbol) 20 MHzMegaHertz 802.11n The most common type of Wi-Fi (MHz) 10^6 Hz -- 5,865 FMFrequency , QPSKQuadrature (MHz) 10^6 Hz -- 40 Worldwide Immy.png MHzMegaHertz (MHz) 10^6 Modulation Phase-Shift Keying MHzMegaHertz (MHz) Hz (2 bits per 10^6 Hz symbol), 16QAM, 64QAM USBUpper Side Band Modulation (Radio, 8PSK8-Phase Phase-Shift Keying (3 bits per referring to 125 HzHertz (Hz), symbol) is an amateur digital UTF8-text and reception and 8PSK8-Phase unit of frequency, data mode designed by John Phelps KL4YFD in 3 MHzMegaHertz (MHz) 10 modulation mode) Phase-Shift Keying defined as one 8PSK 2014. It's goal is to provide medium speed data ^6 Hz -- 3,000 MHz Universal Serial (3 bits per cycle per second (1 Worldwide 8PSK500F.png using generic FMFrequency Modulation and SSB MegaHertz (MHz) 10^6 Hz Bus (Computer, symbol) Hz). -- 1.2 kHz Single-sideband modulation radios. referring to USB KiloHertz (kHz) 10^ Ports and cables), 3 Hz FMFrequency Modulation A variant of POCSAG/FLEX with audio FSK Frequency-Shift Keying modulation as both 72 MHzMegaHertz (MHz) NFMNarrowband AFSKAudio 9 kHzKiloHertz AFSK Paging Link waveforms utilize pulse trains. Typically found 10^6 Hz -- 928 MHz Frequency Frequency-Shift (kHz) 10^3 Hz Worldwide AFSK POCSAG pic 1.PNG as uplinks/downlinks to pager network MegaHertz (MHz) 10^6 Hz Modulation Keying transmitters. USBUpper Side Band Modulation (Radio, ALEAutomatic Link Establishment-400 is an 1.806 MHzMegaHertz referring to 400 HzHertz (Hz), amateur version of the 2G ALEAutomatic Link (MHz) 10^6 Hz -- reception and MFSKMultiple unit of frequency, ALE-400 Establishment standard. It is adapted to the 144.163 MHzMegaHertz modulation mode) Frequency defined as one Worldwide ALE-400.jpg demands of amateur radio emergency traffic (MHz) 10^6 Hz Universal Serial Shift-Keying cycle per second (1 handling. Bus (Computer, Hz). referring to USB Ports and cables) USBUpper Side Band Modulation (Radio, AMSAT-P3D (Known as Phase 3D, OSCAR-40, and 145.805 MHzMegaHertz referring to AO-40) is a amateur radio satellite built by (MHz) 10^6 Hz -- reception and PSKPhase-Shift 1.6 kHzKiloHertz AMSAT-P3D AMSAT. As of 2004, the satellite's systems have 24,048.285 MHzMegaHertz modulation mode) Keying (kHz) 10^3 Hz Worldwide SAT 40.jpg failed. (MHz) 10^6 Hz Universal Serial Bus (Computer, referring to USB Ports and cables) USBUpper Side Band Modulation (Radio, referring to Data collection system carried onboard 465.99 MHzMegaHertz reception and PSKPhase-Shift 54 kHzKiloHertz ARGOS A-DCS polar-orbiting weather satellites (MHz) 10^6 Hz modulation mode) Keying (kHz) 10^3 Hz Worldwide KMS4-Waterfall.jpg Universal Serial Bus (Computer, referring to USB Ports and cables) ARQAutomatic Repeat reQuestAutomatic Repeat Query-E, also known as ARQAutomatic Repeat USBUpper Side Band 85 HzHertz (Hz), reQuestAutomatic Repeat Query-1000 Duplex or Modulation (Radio, unit of frequency, ARQAutomatic Repeat reQuestAutomatic Repeat referring to defined as one Query-1000D, is a synchronous full-duplex ARQ 3 MHzMegaHertz (MHz) 10 reception and FSKFrequency-Shift cycle per second (1 ARQ-E(E3) Automatic Repeat reQuestAutomatic Repeat Query ^6 Hz -- 30 MHzMegaHertz modulation mode) Keying Hz). -- 850 HzHertz Worldwide ARQE3192Bd.png system. ARQAutomatic Repeat reQuestAutomatic (MHz) 10^6 Hz Universal Serial (Hz), unit of Repeat Query-E3 is a variant that uses a Bus (Computer, frequency, defined different alphabet encoding. Mainly used by referring to USB as one cycle per French Military Forces. Stations commonly idled Ports and cables) second (1 Hz). for hours on end. ARQAutomatic Repeat reQuestAutomatic Repeat USBUpper Side Band Query-M2-242 (Also known as TDM 242, TDM-2, Modulation (Radio, 96-TDM, and ARQAutomatic Repeat reQuest referring to 600 HzHertz (Hz), Automatic Repeat Query-28) is a two-channel 3 MHzMegaHertz (MHz) 10 reception and FSKFrequency-Shift unit of frequency, ARQ-M2-242 time division multiplexed telex system. This is ^6 Hz -- 30 MHzMegaHertz modulation mode) Keying defined as one Worldwide ARQ-M2-242.jpg the CCIRComite Consultatif International pour (MHz) 10^6 Hz Universal Serial cycle per second (1 la Radio (Predecessor of the ITU-R) 242 Bus (Computer, Hz). standard version. Used in Aeronautical, Marine, referring to USB and Point-to-Point services. Ports and cables) ARQAutomatic Repeat reQuestAutomatic Repeat USBUpper Side Band Query-M2-342 (Also known as TDM 342, TDM-2, Modulation (Radio, 96-TDM, and ARQAutomatic Repeat reQuest referring to 600 HzHertz (Hz), Automatic Repeat Query-28) is a two-channel 3 MHzMegaHertz (MHz) 10 reception and FSKFrequency-Shift unit of frequency, ARQ-M2-342 time division multiplexed telex system. This is ^6 Hz -- 30 MHzMegaHertz modulation mode) Keying defined as one Worldwide ARQ-M2-342.jpg the CCIRComite Consultatif International pour (MHz) 10^6 Hz Universal Serial cycle per second (1 la Radio (Predecessor of the ITU-R) 342 Bus (Computer, Hz). standard version. Used in Aeronautical, referring to USB Maritime, and Point-to-Point services. Ports and cables) ARQAutomatic Repeat reQuestAutomatic Repeat USBUpper Side Band Query-M4-242 (Also known as TDM 242, TDM-4, Modulation (Radio, 192-TDM, and ARQAutomatic Repeat reQuest referring to 250 HzHertz (Hz), Automatic Repeat Query-56) is a four-channel 3 MHzMegaHertz (MHz) 10 reception and FSKFrequency-Shift unit of frequency, ARQ-M4-242 time division multiplexed telex system. This is ^6 Hz -- 30 MHzMegaHertz modulation mode) Keying defined as one Worldwide ARQ-M4-242.jpg the CCIRComite Consultatif International pour (MHz) 10^6 Hz Universal Serial cycle per second (1 la Radio (Predecessor of the ITU-R) 242 Bus (Computer, Hz). standard version. Used in Aeronautical, referring to USB Maritime, and Point-to-Point services. Ports and cables) ARQAutomatic Repeat reQuestAutomatic Repeat USBUpper Side Band Query-M4-342 (Also known as TDM 342, TDM-4, Modulation (Radio, 192-TDM, and ARQAutomatic Repeat reQuest referring to 600 HzHertz (Hz), Automatic Repeat Query-56) is a four-channel 3 MHzMegaHertz (MHz) 10 reception and FSKFrequency-Shift unit of frequency, ARQ-M4-342 time division multiplexed telex system. This is ^6 Hz -- 30 MHzMegaHertz modulation mode) Keying defined as one Worldwide ARQ-M4-342.jpg the CCIRComite Consultatif International pour (MHz) 10^6 Hz Universal Serial cycle per second (1 la Radio (Predecessor of the ITU-R) 342 Bus (Computer, Hz). standard version. Used in Aeronautical, referring to USB Maritime, and Point-to-Point services. Ports and cables) ARQAutomatic Repeat reQuestAutomatic Repeat USBUpper Side Band 85 HzHertz (Hz), Query-N is a synchronous dual channel ARQ Modulation (Radio, unit of frequency, Automatic Repeat reQuestAutomatic Repeat Query referring to defined as one mode identical to ARQAutomatic Repeat reQuest 3 MHzMegaHertz (MHz) 10 reception and FSKFrequency-Shift cycle per second (1 ARQ-N Automatic Repeat Query-E, with the only ^6 Hz -- 30 MHzMegaHertz modulation mode) Keying Hz). -- 850 HzHertz Worldwide ARQ-N.jpg difference being that ARQAutomatic Repeat (MHz) 10^6 Hz Universal Serial (Hz), unit of reQuestAutomatic Repeat Query-N has no symbol Bus (Computer, frequency, defined inversions. Formerly used by Italian Diplomatic referring to USB as one cycle per services. Ports and cables) second (1 Hz). ARQ6-90, also known as ARQAutomatic Repeat USBUpper Side Band reQuestAutomatic Repeat Query-6-90 and ARQ Modulation (Radio, Automatic Repeat reQuestAutomatic Repeat Query referring to 700 HzHertz (Hz), -6/90, is a 6-character block simplex ARQ 10 MHzMegaHertz (MHz) reception and FSKFrequency-Shift unit of frequency, ARQ6-90 Automatic Repeat reQuestAutomatic Repeat Query 10^6 Hz -- 23 MHz modulation mode) Keying defined as one Worldwide ARQ 6-90.jpg system formerly used by French and Italian MegaHertz (MHz) 10^6 Hz Universal Serial cycle per second (1 diplomatic services exchange of teletype-data. Bus (Computer, Hz). It is no longer used or seen today. referring to USB Ports and cables) ARQ6-98, also known as ARQAutomatic Repeat USBUpper Side Band reQuestAutomatic Repeat Query-6-98 and ARQ Modulation (Radio, Automatic Repeat reQuestAutomatic Repeat Query referring to 400 HzHertz (Hz), -6/98, is a 6-character block simplex ARQ 10 MHzMegaHertz (MHz) reception and FSKFrequency-Shift unit of frequency, ARQ6-98 Automatic Repeat reQuestAutomatic Repeat Query 10^6 Hz -- 23 MHz modulation mode) Keying defined as one Worldwide ARQ 6-98.jpg system formerly used by French and Italian MegaHertz (MHz) 10^6 Hz Universal Serial cycle per second (1 diplomatic services for the exchange of Bus (Computer, Hz). teletype-data. It is no longer used or seen referring to USB today. Ports and cables) NFMNarrowband Frequency Modulation, USB Upper Side Band 300 HzHertz (Hz), ASCII (also known as ITA5 or IRA) is an amateur 3 MHzMegaHertz (MHz) 10 Modulation (Radio, unit of frequency, ASCII radio telegraphy signal using the ITA-5 ^6 Hz -- 450 MHz referring to FSKFrequency-Shift defined as one Worldwide ASCII.jpg alphabet. MegaHertz (MHz) 10^6 Hz reception and Keying cycle per second (1 modulation mode) Hz). Universal Serial Bus (Computer, referring to USB Ports and cables) OFDMOrthogonal Frequency-Division United ATSC 3.0 Broadcast Advanced Television Systems Committee standard, RAW Multiplexing, QAM 6 MHzMegaHertz States; -- ATSC3.png version 3.0 Quadrature (MHz) 10^6 Hz South Amplitude Korea Modulation Advanced Television Systems Committee 54 MHzMegaHertz (MHz) 6 MHzMegaHertz United ATSC Broadcast Television. 8VSB Modulation 10^6 Hz -- 700 MHz RAW 8VSB (MHz) 10^6 Hz States -- ATSCthmb.jpg MegaHertz (MHz) 10^6 Hz USBUpper Side Band AUTOSPEC is a synchronous FECForward Error Modulation (Radio, Correction teletype system used by British referring to 350 HzHertz (Hz), coastal stations to communicate with North Sea 3 MHzMegaHertz (MHz) 10 reception and FSKFrequency-Shift unit of frequency, AUTOSPEC oil rigs. Also known as Autospec-bauer, Bauer, ^6 Hz -- 30 MHzMegaHertz modulation mode) Keying defined as one Worldwide AUTOSPEC.png and Autospec Mk1. This signal is most likely (MHz) 10^6 Hz Universal Serial cycle per second (1 phased out. Bus (Computer, Hz). referring to USB Ports and cables) USBUpper Side Band Modulation (Radio, referring to Accurate positioning Accurate positioning by Low Frequencies, a 123.7 kHzKiloHertz reception and PSKPhase-Shift 2.1 kHzKiloHertz by Low Frequencies former German DGPS navigation system. No longer (kHz) 10^3 Hz modulation mode) Keying (kHz) 10^3 Hz Germany ALF-RDS.jpg (ALF) in use as of 2013. Universal Serial Bus (Computer, referring to USB Ports and cables) Adam H Image Capable AHICDM is a simple, slow and reliable United Digital Mode (AHICDM) modulation protocol that allows binary data in Digital Custom Kingdom AHICDM.png standard ASCII to be sent over audio. USBUpper Side Band AHSC uses a randomly generated One-Time-Pad to Modulation (Radio, secure communications between transmitter and referring to Adam H Secure receiver. Used for unscheduled transferring of reception and United Communication (AHSC) data due to the architecture of the protocol / modulation mode) Kingdom AHSC.png mode which makes decoding the message Universal Serial impossible if the transmission was not listened Bus (Computer, to from the beginning. referring to USB Ports and cables) MSKMinimum-Shift Keying (When Shift Aircraft /Bd = 0.5. It is Communications 129 MHzMegaHertz (MHz) AMAmplitude impossible to get 5 kHzKiloHertz Addressing and Short messages sent to and from aircraft 10^6 Hz -- 137 MHz Modulation this ratio to be (kHz) 10^3 Hz Worldwide ACARS.jpg Reporting System MegaHertz (MHz) 10^6 Hz lower than 0.5, (ACARS) hence it is called the 'Minimum' shift.) Alps Electric Co. Alps Electric Co. TWB1U840 Key Fob for Nissan 314.975 MHzMegaHertz WFMWideband FSKFrequency-Shift 100 kHzKiloHertz TWB1U840 Key Fob Sentra, Nissan Versa, and Nissan Leaf model (MHz) 10^6 Hz Frequency Keying (kHz) 10^3 Hz Worldwide Nissan 2012.jpg years 2013-2017+. Modulation Amplitude Modulation Signalling System (AMSS) 200 HzHertz (Hz), Amplitude Modulation is a DRM-based radiotext and data technology 100 kHzKiloHertz (kHz) AMAmplitude unit of frequency, Signalling System for AMAmplitude Modulation broadcasting, like 10^3 Hz -- 30 MHz SSBSingle-sideband Modulation, PSK defined as one AMSS.jpg (AMSS) RDS that is used for FMFrequency Modulation. It MegaHertz (MHz) 10^6 Hz modulation Phase-Shift Keying cycle per second (1 transmits as a subcarrier, phase-modulating the Hz). carrier frequency. This is an example of the Autocab Media Data 163.375 MHzMegaHertz NFMNarrowband PSKPhase-Shift 12.5 kHzKiloHertz United Autocab Terminals used by cab companies all over the (MHz) 10^6 Hz Frequency Keying (kHz) 10^3 Hz Kingdom Autocab.jpg world. Modulation Automated Train Control System (ATCS), specifically ATCS Spec. 200, is a standardized 896.888 MHzMegaHertz Automated Train communication system for railroads designed to (MHz) 10^6 Hz -- NFMNarrowband FSKFrequency-Shift 12.5 kHzKiloHertz United Control System (ATCS) ensure safety by monitoring locations of trains 936.988 MHzMegaHertz Frequency Keying (kHz) 10^3 Hz States ATCS2.png and locomotives, providing analysis and (MHz) 10^6 Hz Modulation reporting, and automation of track warrants and similar orders. Automatic Dependent ADS-B is used by aircraft to broadcast tracking 978 MHzMegaHertz (MHz) PPMPulse Position 2 MHzMegaHertz Surveillance-Broadcast information and identification. 10^6 Hz -- 1,090 MHz RAW Modulation (MHz) 10^6 Hz Worldwide ADS-BTHMB.jpg (ADS-B) MegaHertz (MHz) 10^6 Hz Automatic Automatic Identification System (AIS) is used 161.975 MHzMegaHertz NFMNarrowband GMSKGaussian Identification System by ships to broadcast position and vessel (MHz) 10^6 Hz -- Frequency Minimum-Shift 25 kHzKiloHertz Worldwide AIS.jpg (AIS) information. 162.025 MHzMegaHertz Modulation Keying (kHz) 10^3 Hz (MHz) 10^6 Hz Automatic Link Establishment, 2G ALEAutomatic Link Establishment (Official designation USBUpper Side Band MIL-STD-188-141A and/or MIL-STD-188-141B Modulation (Radio, (Appendix A)) is the current standardized referring to method of establishing connections between 3.068 MHzMegaHertz reception and MFSKMultiple Automatic Link radio operators. Also known as FED-STD 1045, (MHz) 10^6 Hz -- 28.313 modulation mode) Frequency 2 kHzKiloHertz Worldwide ALE2G.jpg Establishment (2G ALE) FED-STD 1049, and STANAGNATO Standardization MHzMegaHertz (MHz) 10^6 Universal Serial Shift-Keying (kHz) 10^3 Hz Agreement (STANAG), defines processes, Hz Bus (Computer, procedures, terms, and conditions for common referring to USB military or technical procedures or equipment Ports and cables) between the member countries of the North Atlantic Treaty Organization (NATO). 5066. 3G ALEAutomatic Link Establishment (ARCS Automatic Radio Control System) is the next USBUpper Side Band generation of ALEAutomatic Link Establishment Modulation (Radio, (Designated by MIL-STD-188-141B (Appendix C)). referring to Automatic Link Also known as STANAGNATO Standardization 3 MHzMegaHertz (MHz) 10 reception and PSKPhase-Shift 3 kHzKiloHertz Establishment (3G ALE Agreement (STANAG), defines processes, ^6 Hz -- 30 MHzMegaHertz modulation mode) Keying (kHz) 10^3 Hz Worldwide 3Gale.jpg ARCS) procedures, terms, and conditions for common (MHz) 10^6 Hz Universal Serial military or technical procedures or equipment Bus (Computer, between the member countries of the North referring to USB Atlantic Treaty Organization (NATO). 4538, Ports and cables) although MIL 188-141 does not provide Fast LSU. USBUpper Side Band Modulation (Radio, referring to 270 HzHertz (Hz), Automatic Link Set-up Automatic Link Set-up (ALIS) is an automatic 3 MHzMegaHertz (MHz) 10 reception and FSKFrequency-Shift unit of frequency, (ALIS) link system used by Rohde & Schwarz modems. ^6 Hz -- 30 MHzMegaHertz modulation mode) Keying defined as one Worldwide ALIS.jpg (MHz) 10^6 Hz Universal Serial cycle per second (1 Bus (Computer, Hz). referring to USB Ports and cables) Automatic Packet Packet system for real time data 144.39 MHzMegaHertz NFMNarrowband AFSKAudio Reporting System communications. Used by hams for location (MHz) 10^6 Hz -- 145.57 Frequency Frequency-Shift 10 kHzKiloHertz Worldwide APRS.jpg (APRS) reporting, weather stations etc. MHzMegaHertz (MHz) 10^6 Modulation Keying (kHz) 10^3 Hz Hz ATIS systems are identification tags used by Automatic Transmitter inland commercial waterway traffic on rivers in 30 MHzMegaHertz (MHz) NFMNarrowband FSKFrequency-Shift 12 kHzKiloHertz Identification System Europe. The FSKFrequency-Shift Keying burst is 10^6 Hz -- 800 MHz Frequency Keying (kHz) 10^3 Hz Europe ATIS voice samp.jpg (ATIS) appended at the end of every voice transmission MegaHertz (MHz) 10^6 Hz Modulation by the vessel operator. USBUpper Side Band Modulation (Radio, BR-6028 is a VFTVoice Frequency Telegraphy referring to (Voice Frequency Telegraph) frequency and time 5.75 MHzMegaHertz (MHz) reception and FSKFrequency-Shift 3.1 kHzKiloHertz BR-6028 diversity modem using 7 data channels. It is 10^6 Hz -- 15.937 MHz modulation mode) Keying (kHz) 10^3 Hz Worldwide BR-6028 RTTY.jpg sometimes also known as BARRIE, USA-7, or 6028. MegaHertz (MHz) 10^6 Hz Universal Serial Bus (Computer, referring to USB Ports and cables) BIIS (also known as BIIS 1200) is an ETSI European Telecommunications Standards Institute. An independent, not-for-profit, standardization organization in the Binary Interchange of telecommunications industry in Europe, 35 MHzMegaHertz (MHz) NFMNarrowband FFSKFast Information and developing global telecommunications standards. 10^6 Hz -- 800 MHz Frequency Frequency-Shift 6 kHzKiloHertz Europe BIISthmb.jpg Signaling (BIIS) protocol for a digital selective calling method MegaHertz (MHz) 10^6 Hz Modulation Keying (kHz) 10^3 Hz with the added benefit of extended capability of transmitting data that exceeds what could be done with old 5-tone analog calling methods like CCIRComite Consultatif International pour la Radio (Predecessor of the ITU-R) and ZVEI. BlueWalker-3 Wideband Wideband telemetry signal from BlueWalker-3 2,245 MHzMegaHertz BPSKBinary 1 MHzMegaHertz Telemetry experimental satellite. (MHz) 10^6 Hz RAW Phase-Shift Keying (MHz) 10^6 Hz Worldwide -- BW3WB.png (1 bit per symbol) 2,400 MHzMegaHertz GFSKGaussian Bluetooth is a wireless technology standard for (MHz) 10^6 Hz -- 2,485 Frequency-Shift 1 MHzMegaHertz Bluetooth exchanging data over short distances. MHzMegaHertz (MHz) 10^6 Keying, DPSK (MHz) 10^6 Hz Worldwide -- Blut.png Hz Differential Phase-Shift Keying CAS-4A/B Satellite 4.8 kbpsKilobits per second 145.835 MHzMegaHertz NFMNarrowband GMSKGaussian CAS-4A/B Satellite (kbps) GMSKGaussian Minimum-Shift Keying (MHz) 10^6 Hz -- 145.89 Frequency Minimum-Shift 10 kHzKiloHertz Worldwide CAS4B2.png Telemetry Telemetry Downlink. MHzMegaHertz (MHz) 10^6 Modulation Keying (kHz) 10^3 Hz Hz USBUpper Side Band CCIRComite Consultatif International pour la Modulation (Radio, Radio (Predecessor of the ITU-R) 493-4 Selcall, referring to 300 HzHertz (Hz), also known as HFHigh Frequency (3-30 MHz) 3 MHzMegaHertz (MHz) 10 reception and FSKFrequency-Shift unit of frequency, CCIR 493-4 Selcall Selcall, Australian Selcall, and Codan 8580 ^6 Hz -- 30 MHzMegaHertz modulation mode) Keying defined as one Worldwide Ccir 493.jpg Selcall, is a Selcall standard developed in (MHz) 10^6 Hz Universal Serial cycle per second (1 Australia for the HFHigh Frequency (3-30 MHz) Bus (Computer, Hz). band. Used by Amateur radio and Codan Modems. referring to USB Ports and cables) CCITT is a 5-tone selcall system for VHFVery 30 MHzMegaHertz (MHz) NFMNarrowband MFSKMultiple 5 kHzKiloHertz CCITT High Frequency (30-300 MHz)/UHFUltra High 10^6 Hz -- 800 MHz Frequency Frequency (kHz) 10^3 Hz Worldwide Ccitt 5-tones.jpg Frequency (300-3000 MHz) radios. MegaHertz (MHz) 10^6 Hz Modulation Shift-Keying CDMACode Division Multiple Access is another 850 MHzMegaHertz (MHz) QPSKQuadrature CDMA2000 (3G physical standard for Cellular Devices with GSM being 10^6 Hz -- 1,900 MHz RAW Phase-Shift Keying 1.23 MHzMegaHertz United CDMA2.png layer) the first encrypted standard. MegaHertz (MHz) 10^6 Hz (2 bits per (MHz) 10^6 Hz States symbol) USBUpper Side Band Modulation (Radio, referring to 580 HzHertz (Hz), CHIP, or CHIP64, is a spread-spectrum PSK 7.09 MHzMegaHertz (MHz) reception and PSKPhase-Shift unit of frequency, CHIP Phase-Shift Keying mode developed by Antonino 10^6 Hz -- 14.11 MHz modulation mode) Keying defined as one Worldwide CHIP.jpg Porcino IZ8BLY. MegaHertz (MHz) 10^6 Hz Universal Serial cycle per second (1 Bus (Computer, Hz). referring to USB Ports and cables) USBUpper Side Band Modulation (Radio, CHU is a time signal radio station operated by referring to the Institute for National Measurement 3.33 MHzMegaHertz (MHz) reception and FSKFrequency-Shift 2.25 kHzKiloHertz CHU Standards of the National Research Council of 10^6 Hz -- 14.67 MHz modulation mode) Keying, OOKOn-Off (kHz) 10^3 Hz Canada CHU.jpg Canada. MegaHertz (MHz) 10^6 Hz Universal Serial Keying Modulation Bus (Computer, referring to USB Ports and cables) Three CISCommonwealth of Independent States USBUpper Side Band (CIS), the former Soviet Republic-14 signals Modulation (Radio, overlaid on top of each other in a 3100 HzHertz referring to (Hz), unit of frequency, defined as one cycle 3 MHzMegaHertz (MHz) 10 reception and FSKFrequency-Shift 3.1 kHzKiloHertz CIS 3x100 VFT per second (1 Hz). VFTVoice Frequency ^6 Hz -- 30 MHzMegaHertz modulation mode) Keying (kHz) 10^3 Hz Russia CIS3x100bd.jpg Telegraphy bandwidth, operating at 100 bdBaud (MHz) 10^6 Hz Universal Serial (unit symbol Bd) is the unit for symbol rate or Bus (Computer, modulation rate in symbols per second. referring to USB Ports and cables) USBUpper Side Band Three 144 BdBaud (unit symbol Bd) is the unit Modulation (Radio, for symbol rate or modulation rate in symbols referring to per second. FSKFrequency-Shift Keying signals 3 MHzMegaHertz (MHz) 10 reception and FSKFrequency-Shift 3.1 kHzKiloHertz CIS 3x144 VFT in a 3100 HzHertz (Hz), unit of frequency, ^6 Hz -- 30 MHzMegaHertz modulation mode) Keying (kHz) 10^3 Hz Russia CIS3x144bdtfc.jpg defined as one cycle per second (1 Hz). VFT (MHz) 10^6 Hz Universal Serial Voice Frequency Telegraphy bandwidth. Bus (Computer, Reportedly phased out. referring to USB Ports and cables) USBUpper Side Band Three 50 bdBaud (unit symbol Bd) is the unit Modulation (Radio, for symbol rate or modulation rate in symbols referring to per second. Baudot signals in a 3100 HzHertz 3 MHzMegaHertz (MHz) 10 reception and FSKFrequency-Shift 3.1 kHzKiloHertz CIS 3xBaudot-50 VFT (Hz), unit of frequency, defined as one cycle ^6 Hz -- 30 MHzMegaHertz modulation mode) Keying (kHz) 10^3 Hz Russia 284px-CIS3xbaudot50bd.jpg per second (1 Hz). VFTVoice Frequency (MHz) 10^6 Hz Universal Serial Telegraphy bandwidth. Bus (Computer, referring to USB Ports and cables) Enigma Designation XPA2, also known as MFSK Multiple Frequency Shift-Keying-16, CIS USBUpper Side Band Commonwealth of Independent States (CIS), the Modulation (Radio, former Soviet Republic MFSKMultiple Frequency referring to 250 HzHertz (Hz), Shift-Keying-14, and CISCommonwealth of 3 MHzMegaHertz (MHz) 10 reception and MFSKMultiple unit of frequency, CIS MFSK-16 XPA2 Independent States (CIS), the former Soviet ^6 Hz -- 30 MHzMegaHertz modulation mode) Frequency defined as one Russia XPA2.png Republic MFSKMultiple Frequency Shift-Keying (MHz) 10^6 Hz Universal Serial Shift-Keying cycle per second (1 -16, is a 14-tone MFSKMultiple Frequency Bus (Computer, Hz). Shift-Keying signal said to have origin from referring to USB Russian Intelligence and Foreign Ministry Ports and cables) stations. Enigma Designation XPA, also known as MFSK Multiple Frequency Shift-Keying-20, CIS USBUpper Side Band Commonwealth of Independent States (CIS), the Modulation (Radio, former Soviet Republic MFSKMultiple Frequency referring to 800 HzHertz (Hz), Shift-Keying-17, and CISCommonwealth of 3 MHzMegaHertz (MHz) 10 reception and MFSKMultiple unit of frequency, CIS MFSK-20 XPA Independent States (CIS), the former Soviet ^6 Hz -- 30 MHzMegaHertz modulation mode) Frequency defined as one Russia XPA10.png Republic MFSKMultiple Frequency Shift-Keying (MHz) 10^6 Hz Universal Serial Shift-Keying cycle per second (1 -20, is a 17-tone MFSKMultiple Frequency Bus (Computer, Hz). Shift-Keying signal said to have origin from referring to USB Russian Intelligence and Foreign Ministry Ports and cables) stations. New Russian MFSKMultiple Frequency Shift-Keying Modem that uses 68 MFSKMultiple Frequency Shift-Keying (5 tones at a time) as well as a 9000 BdBaud (unit symbol Bd) is the unit for USBUpper Side Band symbol rate or modulation rate in symbols per Modulation (Radio, second. 8-PSK8-Phase Phase-Shift Keying (3 bits referring to per symbol) insert every second which spans 10 7.659 MHzMegaHertz reception and MFSKMultiple CIS MFSK-68 kHzKiloHertz (kHz) 10^3 Hz wide. This signal is (MHz) 10^6 Hz -- 18.28 modulation mode) Frequency 10 kHzKiloHertz Russia CIS MFSK-68.jpg often found attributed with CISCommonwealth of MHzMegaHertz (MHz) 10^6 Universal Serial Shift-Keying, PSK (kHz) 10^3 Hz Independent States (CIS), the former Soviet Hz Bus (Computer, Phase-Shift Keying Republic-3000, where CISCommonwealth of referring to USB Independent States (CIS), the former Soviet Ports and cables) Republic-3000 acts as the ALEAutomatic Link Establishment for this signal as well as CIS Commonwealth of Independent States (CIS), the former Soviet Republic-128. Russian OFDMOrthogonal Frequency-Division Multiplexing HDR (High Data Rate) Modem. Has USBUpper Side Band three main modes: CISCommonwealth of Modulation (Radio, Independent States (CIS), the former Soviet referring to PSKPhase-Shift 2.8 kHzKiloHertz Republic-45, CISCommonwealth of Independent 3 MHzMegaHertz (MHz) 10 reception and Keying, OFDM (kHz) 10^3 Hz -- 3 CIS OFDM HDR Modem States (CIS), the former Soviet Republic-60, ^6 Hz -- 30 MHzMegaHertz modulation mode) Orthogonal kHzKiloHertz (kHz) Russia CIS-45 33bd.jpg and CISCommonwealth of Independent States (MHz) 10^6 Hz Universal Serial Frequency-Division 10^3 Hz (CIS), the former Soviet Republic-93, Bus (Computer, Multiplexing corresponding to the number of OFDMOrthogonal referring to USB Frequency-Division Multiplexing tones in the Ports and cables) signal. USBUpper Side Band Modulation (Radio, CISCommonwealth of Independent States (CIS), referring to 650 HzHertz (Hz), the former Soviet Republic-11 (Also known as 3 MHzMegaHertz (MHz) 10 reception and FSKFrequency-Shift unit of frequency, CIS-11 TORG-11) is a radio duplex teleprinter system ^6 Hz -- 30 MHzMegaHertz modulation mode) Keying defined as one Russia CIS-11.jpg used by Russian meteorological stations (MHz) 10^6 Hz Universal Serial cycle per second (1 Bus (Computer, Hz). referring to USB Ports and cables) USBUpper Side Band CISCommonwealth of Independent States (CIS), Modulation (Radio, the former Soviet Republic-112 OFDMOrthogonal referring to PSKPhase-Shift Frequency-Division Multiplexing signal. Has a 3 MHzMegaHertz (MHz) 10 reception and Keying, OFDM 3 kHzKiloHertz CIS-112 preamble of 7 Tones (not including carrier), ^6 Hz -- 30 MHzMegaHertz modulation mode) Orthogonal (kHz) 10^3 Hz Russia CIS-112 pramb.jpg then 56 tones before entering into the 112 tone (MHz) 10^6 Hz Universal Serial Frequency-Division data transmission. Bus (Computer, Multiplexing referring to USB Ports and cables) USBUpper Side Band Modulation (Radio, CISCommonwealth of Independent States (CIS), 7.026 MHzMegaHertz referring to the former Soviet Republic-12 (Also known as (MHz) 10^6 Hz -- 14.6 reception and PSKPhase-Shift 3.1 kHzKiloHertz CIS-12 MS5, FIRE, AT-3004D, or AT-3104D) is a 12-tone MHzMegaHertz (MHz) 10^6 modulation mode) Keying (kHz) 10^3 Hz Russia CIS-12.jpg PSKPhase-Shift Keying Russian military Hz Universal Serial multi-channel modem. Bus (Computer, referring to USB Ports and cables) USBUpper Side Band PSKPhase-Shift CISCommonwealth of Independent States (CIS), Modulation (Radio, Keying, OFDM the former Soviet Republic-128 is an OFDM referring to Orthogonal 3.1 kHzKiloHertz Orthogonal Frequency-Division Multiplexing mode 3 MHzMegaHertz (MHz) 10 reception and Frequency-Division (kHz) 10^3 Hz -- CIS-128 that uses 128 channels, with one "off" channel ^6 Hz -- 30 MHzMegaHertz modulation mode) Multiplexing, QAM 6.1 kHzKiloHertz Russia CIS-128.jpg in the center, so the signal is divided into (MHz) 10^6 Hz Universal Serial Quadrature (kHz) 10^3 Hz two 64 channel parts. Bus (Computer, Amplitude referring to USB Modulation Ports and cables) CISCommonwealth of Independent States (CIS), the former Soviet Republic-1280 is a OQPSK USBUpper Side Band (Offset Quadrature Phase Shift-Keying) Modulation (Radio, modulation data modem signal. Also known as referring to Soviet Mil(MOD)/FAPSIFederal Agency of 3 MHzMegaHertz (MHz) 10 reception and CIS-1280 Government Communications and Information ^6 Hz -- 13.369 MHz modulation mode) PSKPhase-Shift 1.28 kHzKiloHertz Russia CIS-1280.jpg (Russian Agency)/PTTPush To TalkPress to MegaHertz (MHz) 10^6 Hz Universal Serial Keying (kHz) 10^3 Hz TransmitMinistries of Postal, Telephone, and Bus (Computer, Telegraph Service (Soviet Agency) system. These referring to USB stations are recognizable in that they are all Ports and cables) placed on .081 offsets from a kilohertz or half kilohertz point. USBUpper Side Band Modulation (Radio, Also known as AMOR and AMOR96. Synchronous FSK referring to 650 HzHertz (Hz), Frequency-Shift Keying duplex teleprinter 3 MHzMegaHertz (MHz) 10 reception and FSKFrequency-Shift unit of frequency, CIS-14 system with ARQAutomatic Repeat reQuest ^6 Hz -- 30 MHzMegaHertz modulation mode) Keying defined as one Russia CIS-14TFC.jpg Automatic Repeat Query. (MHz) 10^6 Hz Universal Serial cycle per second (1 Bus (Computer, Hz). referring to USB Ports and cables) CISCommonwealth of Independent States (CIS), the former Soviet Republic-16 is a BPSKBinary Phase-Shift Keying (1 bit per symbol) 16-tone USBUpper Side Band mode, possibly transmitted from a modified Modulation (Radio, AT-3004D or AT-3104 type Russian military referring to transceiver. Also known as CISCommonwealth of 3 MHzMegaHertz (MHz) 10 reception and PSKPhase-Shift 2.7 kHzKiloHertz CIS-16 Independent States (CIS), the former Soviet ^6 Hz -- 30 MHzMegaHertz modulation mode) Keying (kHz) 10^3 Hz Russia CIS-16Tfcc.jpg Republic 16x75 BdBaud (unit symbol Bd) is the (MHz) 10^6 Hz Universal Serial unit for symbol rate or modulation rate in Bus (Computer, symbols per second. for the 75 bdBaud (unit referring to USB symbol Bd) is the unit for symbol rate or Ports and cables) modulation rate in symbols per second. speed in each of the 16 sub channels. USBUpper Side Band Modulation (Radio, Russian AT-3104 Modem signal, 20-tone OFDM referring to PSKPhase-Shift Orthogonal Frequency-Division Multiplexing 3 MHzMegaHertz (MHz) 10 reception and Keying, OFDM 2.75 kHzKiloHertz CIS-20 DQPSKDifferential Quadrature Phase-Shift Keying ^6 Hz -- 30 MHzMegaHertz modulation mode) Orthogonal (kHz) 10^3 Hz Russia CIS-20.jpg signal (MHz) 10^6 Hz Universal Serial Frequency-Division Bus (Computer, Multiplexing referring to USB Ports and cables) USBUpper Side Band Known as CISCommonwealth of Independent States Modulation (Radio, (CIS), the former Soviet Republic-300 Burst, referring to 370 HzHertz (Hz), FSKFrequency-Shift Keying mode used with 300 Bd 3 MHzMegaHertz (MHz) 10 reception and FSKFrequency-Shift unit of frequency, CIS-300 Baud (unit symbol Bd) is the unit for symbol ^6 Hz -- 30 MHzMegaHertz modulation mode) Keying defined as one Russia CIS-300.jpg rate or modulation rate in symbols per second. (MHz) 10^6 Hz Universal Serial cycle per second (1 rate with a starting and ending tone on the Bus (Computer, Hz). upper part of the signal. referring to USB Ports and cables) CISCommonwealth of Independent States (CIS), USBUpper Side Band the former Soviet Republic-3000 is an 8-PSK Modulation (Radio, 8-Phase Phase-Shift Keying (3 bits per symbol) referring to Data Modem protocol. Its source is traced to 3 MHzMegaHertz (MHz) 10 reception and PSKPhase-Shift 3.4 kHzKiloHertz CIS-3000 Russia. 3000 is for its 3000 BaudBaud (unit ^6 Hz -- 30 MHzMegaHertz modulation mode) Keying (kHz) 10^3 Hz Russia CIS-3000.jpg symbol Bd) is the unit for symbol rate or (MHz) 10^6 Hz Universal Serial modulation rate in symbols per second. speed Bus (Computer, (maximum speed is technically 9000 bpsBits per referring to USB second (bps)). Ports and cables) USBUpper Side Band 300 HzHertz (Hz), Modulation (Radio, unit of frequency, CISCommonwealth of Independent States (CIS), referring to defined as one the former Soviet Republic-36-50, also known as 3 MHzMegaHertz (MHz) 10 reception and FSKFrequency-Shift cycle per second (1 CIS-36-50 BEE-36 and T-600, is an FSKFrequency-Shift ^6 Hz -- 30 MHzMegaHertz modulation mode) Keying Hz). -- 550 HzHertz Russia CIS-36-50.jpg Keying modem used by the Russian Navy. (MHz) 10^6 Hz Universal Serial (Hz), unit of Bus (Computer, frequency, defined referring to USB as one cycle per Ports and cables) second (1 Hz). USBUpper Side Band Modulation (Radio, CISCommonwealth of Independent States (CIS), referring to 600 HzHertz (Hz), the former Soviet Republic-40.5 (Also known as 3 MHzMegaHertz (MHz) 10 reception and FSKFrequency-Shift unit of frequency, CIS-40.5 T-206) is an FSKFrequency-Shift Keying signal ^6 Hz -- 30 MHzMegaHertz modulation mode) Keying defined as one Russia CIS-40.5.jpg used in Russian Military Communications (MHz) 10^6 Hz Universal Serial cycle per second (1 Equipment. Bus (Computer, Hz). referring to USB Ports and cables) USBUpper Side Band CISCommonwealth of Independent States (CIS), Modulation (Radio, the former Soviet Republic-48 is an interesting 5.017 MHzMegaHertz referring to 2 MHzMegaHertz data mode with a unique format. It uses a 4 (MHz) 10^6 Hz -- 17.289 reception and PSKPhase-Shift (MHz) 10^6 Hz -- 3 CIS-48 DBPSK Preamble with a constant tone and MHzMegaHertz (MHz) 10^6 modulation mode) Keying MHzMegaHertz (MHz) Russia CIS-48.jpg changing OFDMOrthogonal Frequency-Division Hz Universal Serial 10^6 Hz Multiplexing modes as it transmits data. Origin Bus (Computer, is suspected to be in Russia. referring to USB Ports and cables) CISCommonwealth of Independent States (CIS), USBUpper Side Band 150 HzHertz (Hz), the former Soviet Republic-50-50 is very Modulation (Radio, unit of frequency, similar to CISCommonwealth of Independent referring to defined as one States (CIS), the former Soviet Republic-36-50. 3 MHzMegaHertz (MHz) 10 reception and FSKFrequency-Shift cycle per second (1 CIS-50-50 The main difference is in the available baud ^6 Hz -- 30 MHzMegaHertz modulation mode) Keying Hz). -- 630 HzHertz Russia CIS-50-50.jpg Baud (unit symbol Bd) is the unit for symbol (MHz) 10^6 Hz Universal Serial (Hz), unit of rate or modulation rate in symbols per second. Bus (Computer, frequency, defined rates and frequency shifts used. referring to USB as one cycle per Ports and cables) second (1 Hz). USBUpper Side Band Modulation (Radio, CISCommonwealth of Independent States (CIS), referring to 600 HzHertz (Hz), the former Soviet Republic-8181 is an FSK 3 MHzMegaHertz (MHz) 10 reception and FSKFrequency-Shift unit of frequency, CIS-8181 Frequency-Shift Keying modem used by the ^6 Hz -- 30 MHzMegaHertz modulation mode) Keying defined as one Russia CIS-8181.jpg Russian navy. (MHz) 10^6 Hz Universal Serial cycle per second (1 Bus (Computer, Hz). referring to USB Ports and cables) Dump to European ground station from the 2,217.5 MHzMegaHertz BPSKBinary 2 MHzMegaHertz CLOUDSAT Downlink CLOUDSAT cloud profiling satellite. (MHz) 10^6 Hz RAW Phase-Shift Keying (MHz) 10^6 Hz Europe -- Cloudsat dump.png (1 bit per symbol) USBUpper Side Band Modulation (Radio, CLOVER 2000 is an upgrade to CLOVER-II, a referring to PSKPhase-Shift digital data protocol developed by Ray Petit 3 MHzMegaHertz (MHz) 10 reception and Keying, QAM 2 kHzKiloHertz CLOVER 2000 and HAL Communications. Sometimes referred to ^6 Hz -- 30 MHzMegaHertz modulation mode) Quadrature (kHz) 10^3 Hz Worldwide CLOVER-2000new.jpg as XCLOVER or 8 Tone CLOVER. (MHz) 10^6 Hz Universal Serial Amplitude Bus (Computer, Modulation referring to USB Ports and cables) USBUpper Side Band Modulation (Radio, referring to PSKPhase-Shift CLOVER 2500 is a new upgrade to CLOVER-2000, 3 MHzMegaHertz (MHz) 10 reception and Keying, QAM 2.5 kHzKiloHertz CLOVER 2500 adding 25% more speed to the CLOVER system. ^6 Hz -- 30 MHzMegaHertz modulation mode) Quadrature (kHz) 10^3 Hz Worldwide CLOVER-2500.jpg (MHz) 10^6 Hz Universal Serial Amplitude Bus (Computer, Modulation referring to USB Ports and cables) USBUpper Side Band Modulation (Radio, CLOVER-I was the first iteration of the Clover referring to PSKPhase-Shift 100 HzHertz (Hz), series of digital modes. Was never released for 3 MHzMegaHertz (MHz) 10 reception and Keying, QAM unit of frequency, CLOVER-I commercial use, replaced by CLOVER-II. Also ^6 Hz -- 30 MHzMegaHertz modulation mode) Quadrature defined as one Worldwide CLOVER-I sim.jpg known as Cloverleaf. (MHz) 10^6 Hz Universal Serial Amplitude cycle per second (1 Bus (Computer, Modulation Hz). referring to USB Ports and cables) USBUpper Side Band Modulation (Radio, CLOVER-II is the advancement of CLOVER-I, with referring to PSKPhase-Shift 500 HzHertz (Hz), 4 tone pulses and a max data rate of 750 bps 3 MHzMegaHertz (MHz) 10 reception and Keying, QAM unit of frequency, CLOVER-II Bits per second (bps). Also known as Q-CLOVER ^6 Hz -- 30 MHzMegaHertz modulation mode) Quadrature defined as one Worldwide CLOVER-II.jpg and QUAD-CLOVER. (MHz) 10^6 Hz Universal Serial Amplitude cycle per second (1 Bus (Computer, Modulation Hz). referring to USB Ports and cables) CORIOLIS Tactical Direct Broadcast digital signal from the 2,221.5 MHzMegaHertz BPSKBinary 2 MHzMegaHertz Direct Broadcast CORIOLIS satellite, primarily carries data from (MHz) 10^6 Hz RAW Phase-Shift Keying (MHz) 10^6 Hz Worldwide -- CORIOLIS DB.png the WindSat instrument. (1 bit per symbol) USBUpper Side Band Modulation (Radio, referring to CRY2001 Voice CRY2001 is a voice scrambling mode used on 3 MHzMegaHertz (MHz) 10 reception and FSKFrequency-Shift 3 kHzKiloHertz Scrambler Sailor CRY2001 Scramblers. Fisherman often use ^6 Hz -- 300 MHz modulation mode) Keying (kHz) 10^3 Hz Worldwide CRY2001 Full.jpg these modes to communicate with privacy. MegaHertz (MHz) 10^6 Hz Universal Serial Bus (Computer, referring to USB Ports and cables) USBUpper Side Band Modulation (Radio, CV-786 is a wideband FSKFrequency-Shift Keying referring to 900 HzHertz (Hz), mode built in Rockwell-Collins MDM-2001 modems. 3 MHzMegaHertz (MHz) 10 reception and FSKFrequency-Shift unit of frequency, CV-786 Also known as TRC-75, as it was used in TRC-75 ^6 Hz -- 30 MHzMegaHertz modulation mode) Keying defined as one Worldwide CV-786.jpg transceivers. A military-based Radio TeleTYpe (MHz) 10^6 Hz Universal Serial cycle per second (1 mode. Bus (Computer, Hz). referring to USB Ports and cables) This is a signal from a Californian Electricity 'Smart Meter'. Each house is now fitted with one of these, and they are strong - typically 902 MHzMegaHertz (MHz) California Smart-Meter 50 dBThe decibel (dB) is a logarithmic unit 10^6 Hz -- 928 MHz 15 kHzKiloHertz United -- Open-Way-Centron Smart-Meter used to express the ratio of two values of a MegaHertz (MHz) 10^6 Hz (kHz) 10^3 Hz States Waterfallthmb.png physical quantity, here the strength of a received signal. above the atmospheric noise level. USBUpper Side Band Modulation (Radio, Chinese 4+4, also known as 4+4 or PRC 4+4, is a referring to multi-carrier transmission mode. It used by 3 MHzMegaHertz (MHz) 10 reception and PSKPhase-Shift 2.5 kHzKiloHertz Chinese 4+4 Chinese Diplomatic services with most traffic ^6 Hz -- 30 MHzMegaHertz modulation mode) Keying (kHz) 10^3 Hz China CHN 4+4.jpg originating from Beijing, China. (MHz) 10^6 Hz Universal Serial Bus (Computer, referring to USB Ports and cables) USBUpper Side Band Modulation (Radio, 400 HzHertz (Hz), Codan Data Modulation for Codan Data Modems. referring to PSKPhase-Shift unit of frequency, Has 3 distinct signals: Data, ALEAutomatic Link 3 MHzMegaHertz (MHz) 10 reception and Keying, FSK defined as one Codan Data Modem Establishment, and SELCAL. This modulation is ^6 Hz -- 30 MHzMegaHertz modulation mode) Frequency-Shift cycle per second (1 Worldwide Codan Modem.jpg used in Codan's 9001, 9002, 3012 and 3212 (MHz) 10^6 Hz Universal Serial Keying Hz). -- 2.56 kHz modems. Bus (Computer, KiloHertz (kHz) 10^ referring to USB 3 Hz Ports and cables) USBUpper Side Band Modulation (Radio, Coherent BPSKBinary Phase-Shift Keying (1 bit referring to 200 HzHertz (Hz), per symbol), also known as C-BPSKBinary 138 kHzKiloHertz (kHz) reception and PSKPhase-Shift unit of frequency, Coherent BPSK Phase-Shift Keying (1 bit per symbol), was an 10^3 Hz -- 18.081 MHz modulation mode) Keying defined as one Worldwide Coherent PSK.jpg experimental amateur mode developed by Bill MegaHertz (MHz) 10^6 Hz Universal Serial cycle per second (1 DeCarle VE2IQ. Bus (Computer, Hz). referring to USB Ports and cables) USBUpper Side Band Modulation (Radio, Coherent CWContinuous Wave (also known as CCW) referring to 1 HzHertz (Hz), was a strictly timed morse code mode designed 3 MHzMegaHertz (MHz) 10 reception and OOKOn-Off Keying unit of frequency, Coherent CW by Ray Petit W7GHM (The same inventor of ^6 Hz -- 30 MHzMegaHertz modulation mode) Modulation defined as one Worldwide Coherent CW.jpg CLOVER). CCW depended on accurate timing from (MHz) 10^6 Hz Universal Serial cycle per second (1 both receiver and transmitter. Bus (Computer, Hz). referring to USB Ports and cables) Low speed FSKFrequency-Shift Keying telemetry to monitor and control warning sirens that are 453.375 MHzMegaHertz NFMNarrowband FSKFrequency-Shift 5 kHzKiloHertz CompuLert used to warn the public of threats such as (MHz) 10^6 Hz Frequency Keying (kHz) 10^3 Hz Worldwide Compulert.jpg tsunamis, severe weather, chemical spills and Modulation civil emergencies. USBUpper Side Band Modulation (Radio, 150 HzHertz (Hz), Contestia, developed by Nick Fedoseev (UT2UZ) referring to unit of frequency, in 2005, is a digital mode derived from Olivia. 3 MHzMegaHertz (MHz) 10 reception and MFSKMultiple defined as one Contestia It aims to deliver a compromise of speed and ^6 Hz -- 30 MHzMegaHertz modulation mode) Frequency cycle per second (1 Worldwide Contestiathmb.png performance. (MHz) 10^6 Hz Universal Serial Shift-Keying Hz). -- 2 kHz Bus (Computer, KiloHertz (kHz) 10^ referring to USB 3 Hz Ports and cables) USBUpper Side Band 300 HzHertz (Hz), Modulation (Radio, unit of frequency, Coquelet is an MFSKMultiple Frequency referring to defined as one Shift-Keying system, similar to Piccolo. Also 3 MHzMegaHertz (MHz) 10 reception and MFSKMultiple cycle per second (1 Coquelet known as COQ-8, COQ-12, and COQUELET 8 V 2. ^6 Hz -- 30 MHzMegaHertz modulation mode) Frequency Hz). -- 500 HzHertz Worldwide Coq 8 intro.png Uses ITA-2 charset. It's two main modes are (MHz) 10^6 Hz Universal Serial Shift-Keying (Hz), unit of Coquelet-8 and Coquelet-13. No longer in use. Bus (Computer, frequency, defined referring to USB as one cycle per Ports and cables) second (1 Hz). D-STAR is a digital voice protocol used by ham 145.67 MHzMegaHertz NFMNarrowband GMSKGaussian 6.25 kHzKiloHertz D-STAR radio. Is sometimes routed over the internet (MHz) 10^6 Hz Frequency Minimum-Shift (kHz) 10^3 Hz Worldwide DSTAR.jpg for international communications. Modulation Keying MFSKMultiple LSBLower Side Band Frequency Modulation, USB Shift-Keying, LSB Upper Side Band Lower Side Band Modulation (Radio, Modulation, USB 3.6 MHzMegaHertz (MHz) referring to Upper Side Band DB0UPB research beacon The is a research beacon for training neuronal 10^6 Hz -- 14.101 MHz reception and Modulation (Radio, 2.7 kHzKiloHertz Germany DB0UPB.png networks. MegaHertz (MHz) 10^6 Hz modulation mode) referring to (kHz) 10^3 Hz Universal Serial reception and Bus (Computer, modulation mode) referring to USB Universal Serial Ports and cables) Bus (Computer, referring to USB Ports and cables) USBUpper Side Band Modulation (Radio, DCF77 is a German longwave time signal radio referring to station based at 77.5 kHzKiloHertz (kHz) 10^3 77.5 kHzKiloHertz (kHz) reception and AMAmplitude 1.3 kHzKiloHertz DCF77 Hz. DCF uses an AMAmplitude Modulation 10^3 Hz modulation mode) Modulation, PSK (kHz) 10^3 Hz Germany DCF77.jpg modulated carrier and phase modulation Universal Serial Phase-Shift Keying sidebands to transmit its time signal. Bus (Computer, referring to USB Ports and cables) USBUpper Side Band Modulation (Radio, DUP-ARQAutomatic Repeat reQuestAutomatic Repeat referring to 325 HzHertz (Hz), Query, also known as ARTRAC and 125-ARTRAC, is 3 MHzMegaHertz (MHz) 10 reception and FSKFrequency-Shift unit of frequency, DUP-ARQ a semi-duplex ARQAutomatic Repeat reQuest ^6 Hz -- 30 MHzMegaHertz modulation mode) Keying defined as one Worldwide DUP ARQ.jpg Automatic Repeat Query system once used by Thai (MHz) 10^6 Hz Universal Serial cycle per second (1 and Hungarian Diplomatic services. Bus (Computer, Hz). referring to USB Ports and cables) DUP-ARQAutomatic Repeat reQuestAutomatic Repeat USBUpper Side Band Query-2 (also known as ARTRAC II) is a further Modulation (Radio, development of the DUP-ARQAutomatic Repeat referring to reQuestAutomatic Repeat Query system and the 3 MHzMegaHertz (MHz) 10 reception and FSKFrequency-Shift 1.3 kHzKiloHertz DUP-ARQ-2 system characteristics are very similar. DUP- ^6 Hz -- 30 MHzMegaHertz modulation mode) Keying (kHz) 10^3 Hz Worldwide DUP ARQ-2.jpg ARQAutomatic Repeat reQuestAutomatic Repeat (MHz) 10^6 Hz Universal Serial Query-2 allows transmission of ITA-2 (Baudot) Bus (Computer, or ITA-5 (ASCII) characters depending on the referring to USB application. Ports and cables) DUP-FECForward Error Correction-2 is a further development of the DUP-ARQAutomatic Repeat USBUpper Side Band reQuestAutomatic Repeat Query system and the Modulation (Radio, system characteristics are very similar. Uses referring to FECForward Error Correction instead of ARQ 3 MHzMegaHertz (MHz) 10 reception and FSKFrequency-Shift 1.1 kHzKiloHertz DUP-FEC-2 Automatic Repeat reQuestAutomatic Repeat Query ^6 Hz -- 30 MHzMegaHertz modulation mode) Keying (kHz) 10^3 Hz Worldwide DUP FEC-2.jpg and runs at either 125 bdBaud (unit symbol Bd) (MHz) 10^6 Hz Universal Serial is the unit for symbol rate or modulation rate Bus (Computer, in symbols per second. or 250 bdBaud (unit referring to USB symbol Bd) is the unit for symbol rate or Ports and cables) modulation rate in symbols per second.. USBUpper Side Band 200 HzHertz (Hz), Modulation (Radio, unit of frequency, Datawell Buoy HFHigh Frequency (3-30 MHz) Links referring to FSKFrequency-Shift defined as one transmitted by Datawell Marine measurement 25.5 MHzMegaHertz (MHz) reception and Keying, MFSK cycle per second (1 Datawell Buoy HF Link buoys, measuring ocean conditions, temperature, 10^6 Hz -- 45 MHz modulation mode) Multiple Frequency Hz). -- 400 HzHertz Worldwide Datawell 2FSK.jpg and wave current. MegaHertz (MHz) 10^6 Hz Universal Serial Shift-Keying (Hz), unit of Bus (Computer, frequency, defined referring to USB as one cycle per Ports and cables) second (1 Hz). Delfi-C3 Telemetry is a telemetry signal sent 145.87 MHzMegaHertz LSBLower Side Band BPSKBinary 10 kHzKiloHertz Delfi-C3 Telemetry from the Delfi-C3 university-class satellite. (MHz) 10^6 Hz Modulation Phase-Shift Keying (kHz) 10^3 Hz Worldwide Delfi-C3.jpg (1 bit per symbol) Denso Wireless Key Fob 4EA built by Denso AMAmplitude Corporation for General Motors auto brands 433.92 MHzMegaHertz AMAmplitude Modulation, ASK 15 kHzKiloHertz Denso 4EA Key Fob Chevrolet and Buick. Used on Chevrolet Camaro (MHz) 10^6 Hz Modulation Amplitude-Shift (kHz) 10^3 Hz Worldwide HYQ4EA KeyFob.jpg and Malibu from 2016+. Used on Buick Lacrosse Keying 2017+. USBUpper Side Band MSKMinimum-Shift 150 HzHertz (Hz), Modulation (Radio, Keying (When Shift unit of frequency, Differential GPS (DGPS), also known as M823 283.5 kHzKiloHertz referring to /Bd = 0.5. It is defined as one Differential Global DGPS and SC-104 DGPS, is a supplementary (kHz) 10^3 Hz -- 2.95 reception and impossible to get cycle per second (1 Positioning System correction signal used by GPS receivers to MHzMegaHertz (MHz) 10^6 modulation mode) this ratio to be Hz). -- 250 HzHertz Worldwide DGPS 200Bd.png (DGPS) increase the accuracy of GPS based positioning. Hz Universal Serial lower than 0.5, (Hz), unit of Bus (Computer, hence it is called frequency, defined referring to USB the 'Minimum' as one cycle per Ports and cables) shift.) second (1 Hz). Digital Audio A type of digital broadcast radio signal, 174 MHzMegaHertz (MHz) AMAmplitude OFDMOrthogonal 1.537 MHzMegaHertz Broadcasting (DAB) containing multiple digital radio stations in 10^6 Hz -- 239 MHz Modulation Frequency-Division (MHz) 10^6 Hz Worldwide Dab+.JPG the signal. MegaHertz (MHz) 10^6 Hz Multiplexing Digital Audio DAB+ is a medium of delivering broadcast radio, 174 MHzMegaHertz (MHz) OFDMOrthogonal 1.536 MHzMegaHertz Broadcasting Plus containing multiple stations in a single 10^6 Hz -- 230 MHz Frequency-Division (MHz) 10^6 Hz Worldwide Dab+.JPG (DAB+) multiplex. MegaHertz (MHz) 10^6 Hz Multiplexing Digital Mobile Radio (DMR) is an open digital mobile radio standard defined by ETSIEuropean Telecommunications Standards Institute. An independent, not-for-profit, standardization 66 MHzMegaHertz (MHz) NFMNarrowband 4FSK4-Level Digital Mobile Radio organization in the telecommunications industry 10^6 Hz -- 860 MHz Frequency Frequency Shift 12.5 kHzKiloHertz Worldwide DMR.jpg (DMR) in Europe, developing global telecommunications MegaHertz (MHz) 10^6 Hz Modulation Keying (kHz) 10^3 Hz standards. and used in commercial products around the world. Mostly used by private network and local police, can be encrypted. Used in MOTOTRBO products. Digital Multimedia Broadcasting (DMB) is a DQPSKDifferential digital radio transmission technology developed Quadrature Digital Multimedia in South Korea as part of the national IT 174 MHzMegaHertz (MHz) Phase-Shift Keying 1.536 MHzMegaHertz South Broadcasting (DMB) project for sending multimedia such as TV, 10^6 Hz -- 216 MHz , OFDMOrthogonal (MHz) 10^6 Hz Korea -- DMB-TDMB-Waterfall-01.jpg radio and datacasting to mobile devices such as MegaHertz (MHz) 10^6 Hz Frequency-Division mobile phones, laptops and GPS navigation Multiplexing systems. 3 MHzMegaHertz (MHz) 10 SSBSingle-sideband BPSKBinary Digital NBTV Method for transmitting digital images via ^6 Hz -- 470 MHz modulation, FM Phase-Shift Keying 2.5 kHzKiloHertz Worldwide D-NBTV.png radio, similar to WinDRM or KG-STV MegaHertz (MHz) 10^6 Hz Frequency (1 bit per symbol) (kHz) 10^3 Hz Modulation dPMR is an open, non-proprietary trunked radio standard developed by ETSIEuropean Telecommunications Standards Institute. An independent, not-for-profit, standardization organization in the telecommunications industry 149.019 MHzMegaHertz Digital Private Mobile in Europe, developing global telecommunications (MHz) 10^6 Hz -- 446.2 NFMNarrowband 4FSK4-Level 6.25 kHzKiloHertz Radio (dPMR) standards., published under ETSIEuropean MHzMegaHertz (MHz) 10^6 Frequency Frequency Shift (kHz) 10^3 Hz Worldwide DPMR.jpg Telecommunications Standards Institute. An Hz Modulation Keying independent, not-for-profit, standardization organization in the telecommunications industry in Europe, developing global telecommunications standards. TS 102 658. Supports both data and digital voice transmission. USBUpper Side Band Modulation (Radio, QAMQuadrature Digital Radio Mondiale (DRM) is a digital referring to Amplitude 4.5 kHzKiloHertz Digital Radio Mondiale commercial broadcasting mode used to deliver FM 531 kHzKiloHertz (kHz) reception and Modulation, OFDM (kHz) 10^3 Hz -- 20 (DRM) Frequency Modulation-comparable sound quality 10^3 Hz -- 26.06 MHz modulation mode) Orthogonal kHzKiloHertz (kHz) Worldwide DRMimage.png to shortwave radio. MegaHertz (MHz) 10^6 Hz Universal Serial Frequency-Division 10^3 Hz Bus (Computer, Multiplexing referring to USB Ports and cables) Digital Radio Mondiale DRM+ is a VHFVery High Frequency (30-300 MHz) 47 MHzMegaHertz (MHz) OFDMOrthogonal 100 kHzKiloHertz Plus (DRM+) implementation of DRM primarily for the FM 10^6 Hz -- 230 MHz Frequency-Division (kHz) 10^3 Hz Worldwide -- NoWaterfallFiller.png Frequency Modulation broadcast band. MegaHertz (MHz) 10^6 Hz Multiplexing QAMQuadrature Amplitude Modulation, OFDM Digital Video Digital Video Broadcasting -- Terrestrial 174 MHzMegaHertz (MHz) Orthogonal 6 MHzMegaHertz Broadcasting -- (DVB-T) is a digital broadcast television 10^6 Hz -- 786 MHz AMAmplitude Frequency-Division (MHz) 10^6 Hz -- 8 Worldwide DVB-T image.jpg Terrestrial (DVB-T) format used in Europe and in many other MegaHertz (MHz) 10^6 Hz Modulation Multiplexing, QPSK MHzMegaHertz (MHz) countries in the world. Quadrature 10^6 Hz Phase-Shift Keying (2 bits per symbol) Digital-Coded Squelch Digital in-band signalling used to squelch and 433 MHzMegaHertz (MHz) NFMNarrowband FSKFrequency-Shift (DCS) manage transmissions on a given frequency. 10^6 Hz -- 446 MHz Frequency Keying Worldwide DCS.JPG MegaHertz (MHz) 10^6 Hz Modulation Digital Distress Radiobeacons (EPIRB's, PLB's NFMNarrowband Distress Radiobeacon and ELT's) are emergency radio beacons used for 406 MHzMegaHertz (MHz) Frequency PSKPhase-Shift 1.4 kHzKiloHertz Worldwide Epirb.jpg (Digital) search and rescue operations to locate a 10^6 Hz Modulation Keying (kHz) 10^3 Hz vessel, plane, or person in distress. DominoEX, also known as just Domino, is an IFK USBUpper Side Band 173 HzHertz (Hz), Incremental Frequency Keying (Incremental Modulation (Radio, unit of frequency, Frequency Keying) mode developed by Murray 5.332 MHzMegaHertz referring to defined as one Greenman ZL1BPU and Con Wassilieff ZL2AFP in (MHz) 10^6 Hz -- 28.117 reception and IFKIncremental cycle per second (1 DominoEX 2004 that was the first fully developed MHzMegaHertz (MHz) 10^6 modulation mode) Frequency Keying Hz). -- 524 HzHertz Worldwide DominoEX.png iteration of the Domino IFKIncremental Hz Universal Serial (Hz), unit of Frequency Keying family modes. Used to send Bus (Computer, frequency, defined text over RFRadio Frequency. referring to USB as one cycle per Ports and cables) second (1 Hz). USBUpper Side Band Modulation (Radio, DominoF was the first experimental 1.838 MHzMegaHertz referring to 220 HzHertz (Hz), implementation of the Domino family of IFK (MHz) 10^6 Hz -- 28.08 reception and IFKIncremental unit of frequency, DominoF Incremental Frequency Keying modes, developed MHzMegaHertz (MHz) 10^6 modulation mode) Frequency Keying defined as one Worldwide DominoF.png by Con ZL2AFP. DominoF used dual interleaved Hz Universal Serial cycle per second (1 tone sets. Superseded by DominoEX. Bus (Computer, Hz). referring to USB Ports and cables) EIA is a 5/6-tone selcall mode defined by the 30 MHzMegaHertz (MHz) NFMNarrowband MFSKMultiple EIA Electronics Industries Association in the 10^6 Hz -- 800 MHz Frequency Frequency 5 kHzKiloHertz Worldwide EIA 5-tone.jpg United States. Also known as Motorola MegaHertz (MHz) 10^6 Hz Modulation Shift-Keying (kHz) 10^3 Hz MetroPage. ELEKTRO-L GGAK-E Broadcasts the data from the GGAK-E cosmic ray 1,693 MHzMegaHertz DSBDual Side Band FSKFrequency-Shift 15 kHzKiloHertz Asia, Direct Broadcast detector onboard ELEKTRO-L geostationary (MHz) 10^6 Hz Modulation Keying (kHz) 10^3 Hz Europe ELEKTRO-L N2 BCN.png weather satellites The Emergency Alert System (EAS) is a national 162.4 MHzMegaHertz NFMNarrowband 5 kHzKiloHertz Emergency Alert System warning system in the United States, (MHz) 10^6 Hz -- 162.55 Frequency FSKFrequency-Shift (kHz) 10^3 Hz -- 30 United EAS NFM.jpg (EAS) implemented since 1997, superceding the MHzMegaHertz (MHz) 10^6 Modulation Keying kHzKiloHertz (kHz) States Emergency Broadcast System (EBS). Hz 10^3 Hz Emergency Managers The Emergency Managers Weather Information 163.3 MHzMegaHertz Weather Information Network (EMWIN) is a system for distributing a (MHz) 10^6 Hz -- NFMNarrowband AFSKAudio 20 kHzKiloHertz United Network (EMWIN) - live stream of weather information in the 168.813 MHzMegaHertz Frequency Frequency-Shift (kHz) 10^3 Hz States EMWIN.png Repeater United States. This is the VHFVery High (MHz) 10^6 Hz Modulation Keying Frequency (30-300 MHz) Repeater of the network. End of Train Device Transmits train telemetry such as brake status 427.938 MHzMegaHertz NFMNarrowband FSKFrequency-Shift 8 kHzKiloHertz (EOTD) and accidental seperation information to the (MHz) 10^6 Hz Frequency Keying (kHz) 10^3 Hz Worldwide EOTthmb.jpg head locomotive. Modulation EDACS is a trunked radio system developed by Enhanced Digital General Electric and Ericsson. EDACS was 160 MHzMegaHertz (MHz) NFMNarrowband GFSKGaussian 6.25 kHzKiloHertz Access Communications invented by General Electric in the mid-80s and 10^6 Hz -- 941 MHz Frequency Frequency-Shift (kHz) 10^3 Hz -- Worldwide EDACS 96k.jpg System (EDACS) is currently owned by Harris Corporation. MegaHertz (MHz) 10^6 Hz Modulation Keying 12.5 kHzKiloHertz Harris has announced that EDACS systems will no (kHz) 10^3 Hz longer be supported by 2017. European Radio Message System (ERMES) is a 169.413 MHzMegaHertz NFMNarrowband 4FSK4-Level European Radio Message European common standard for paging developed (MHz) 10^6 Hz -- Frequency Frequency Shift 25 kHzKiloHertz Europe ERMES waterfall.jpg System (ERMES) by the European Telecommunications Standards 169.833 MHzMegaHertz Modulation Keying (kHz) 10^3 Hz Institute (ESTI) (MHz) 10^6 Hz FECForward Error Correction-A, also known as USBUpper Side Band FECForward Error Correction-100 or FECForward Modulation (Radio, 100 HzHertz (Hz), Error Correction-100A, is a synchronous simplex referring to unit of frequency, ARQAutomatic Repeat reQuestAutomatic Repeat 3 MHzMegaHertz (MHz) 10 reception and FSKFrequency-Shift defined as one FEC-A Query system that uses the ITA 2 alphabet. This ^6 Hz -- 30 MHzMegaHertz modulation mode) Keying cycle per second (1 Worldwide FEC-A 96 Bd 400 Hz.jpg mode was once used by many embassies, (MHz) 10^6 Hz Universal Serial Hz). -- 1.2 kHz diplomatic services, and news agencies Bus (Computer, KiloHertz (kHz) 10^ worldwide. This mode was developed by Siemens. referring to USB 3 Hz Ports and cables) FLEX (Flexible Wide Area Paging Protocol) is 152.6 MHzMegaHertz FSKFrequency-Shift Motorola's high speed one-way paging protocol (MHz) 10^6 Hz -- NFMNarrowband Keying, 4FSK 5 kHzKiloHertz FLEX that supports 1600, 3200, and 6400 bpsBits per 931.938 MHzMegaHertz Frequency 4-Level Frequency (kHz) 10^3 Hz Worldwide FLEX.jpg second (bps). FLEX can transmit tone, numeric, (MHz) 10^6 Hz Modulation Shift Keying alphanumeric, and binary data. USBUpper Side Band FSK441 is a high speed meteor scatter Modulation (Radio, communication mode. FSK441 uses a baudBaud referring to (unit symbol Bd) is the unit for symbol rate or 144 MHzMegaHertz (MHz) reception and FSKFrequency-Shift 1.75 kHzKiloHertz FSK441 modulation rate in symbols per second. rate of 10^6 Hz -- 444 MHz modulation mode) Keying (kHz) 10^3 Hz Worldwide FSK441.jpg 441 BdBaud (unit symbol Bd) is the unit for MegaHertz (MHz) 10^6 Hz Universal Serial symbol rate or modulation rate in symbols per Bus (Computer, second.. referring to USB Ports and cables) USBUpper Side Band Modulation (Radio, Fast Simple QSO (FSQ) is an amateur radio referring to 300 HzHertz (Hz), digital modulation mode developed by Con 3.58 MHzMegaHertz (MHz) reception and IFK+Offset unit of frequency, FSQ Wassilieff ZL2AFP with Murray Greenman ZL1BPU 10^6 Hz -- 10.149 MHz modulation mode) Incremental defined as one Worldwide FSQ.png in 2015. MegaHertz (MHz) 10^6 Hz Universal Serial Frequency Keying cycle per second (1 Bus (Computer, Hz). referring to USB Ports and cables) USBUpper Side Band Modulation (Radio, referring to 83 HzHertz (Hz), FT4 is an amateur radio QSO communication 14.08 MHzMegaHertz reception and GFSKGaussian unit of frequency, FT4 protocol. (MHz) 10^6 Hz modulation mode) Frequency-Shift defined as one Worldwide Ft42.png Universal Serial Keying cycle per second (1 Bus (Computer, Hz). referring to USB Ports and cables) USBUpper Side Band Modulation (Radio, FT8 is an extremely-weak-signal amateur radio referring to 50 HzHertz (Hz), mode that transmits very limited 1.84 MHzMegaHertz (MHz) reception and GFSKGaussian unit of frequency, FT8 communications. JS8, a variant of FT8, can send 10^6 Hz -- 144.174 MHz modulation mode) Frequency-Shift defined as one Worldwide FT8.png full conversations and relay messages MegaHertz (MHz) 10^6 Hz Universal Serial Keying cycle per second (1 Bus (Computer, Hz). referring to USB Ports and cables) USBUpper Side Band Modulation (Radio, referring to FUNcube-1 Telemetry is a telemetry signal sent 145.935 MHzMegaHertz reception and PSKPhase-Shift 2 kHzKiloHertz FUNcube-1 Telemetry from the Funcube-1 Cubesat amateur radio (MHz) 10^6 Hz modulation mode) Keying (kHz) 10^3 Hz Worldwide FUNcube.jpg satellite. Universal Serial Bus (Computer, referring to USB Ports and cables) FSKFrequency-Shift Keying 2 transmission mode, frequency range 40246 HzHertz (Hz), unit of frequency, defined as one cycle per second (1 Hz)., manipulation speed 15571.26 baudBaud Factory installed (unit symbol Bd) is the unit for symbol rate or 433.93 MHzMegaHertz NFMNarrowband 950 kHzKiloHertz alarm system Land modulation rate in symbols per second., (MHz) 10^6 Hz Frequency FSK2 (kHz) 10^3 Hz Worldwide LR-12.png Rover Discovery 4 Information is transmitted by the code Modulation "Manchester", respectively, the data transfer rate is twice lower (7785.63 baudBaud (unit symbol Bd) is the unit for symbol rate or modulation rate in symbols per second.). MSKMinimum-Shift Keying (When Shift Signalling protocol developed for Federal /Bd = 0.5. It is Federal Signal Signal's line of civil defense warning siren 150 MHzMegaHertz (MHz) NFMNarrowband impossible to get 6 kHzKiloHertz North Modem-MSK systems. This signal is used for activation and 10^6 Hz -- 160 MHz Frequency this ratio to be (kHz) 10^3 Hz America Fs msk.png telemetry of all units in a network. MegaHertz (MHz) 10^6 Hz Modulation lower than 0.5, hence it is called the 'Minimum' shift.) PSKPhase-Shift USBUpper Side Band Keying, QPSK Modulation (Radio, Quadrature referring to Phase-Shift Keying FreeDV Coherent PSKPhase-Shift Keying (Also 3 MHzMegaHertz (MHz) 10 reception and (2 bits per FreeDV COHPSK known as FreeDV 700) is a robust Digital Voice ^6 Hz -- 30 MHzMegaHertz modulation mode) symbol), DQPSK 1.5 kHzKiloHertz Worldwide 700 tfc DV.png mode developed by David Rowe for his FreeDV (MHz) 10^6 Hz Universal Serial Differential (kHz) 10^3 Hz Digital Voice Software. Bus (Computer, Quadrature referring to USB Phase-Shift Keying Ports and cables) , OFDMOrthogonal Frequency-Division Multiplexing USBUpper Side Band Frequency Division Multiplex Digital Voice Modulation (Radio, (FDMDV), also known as FDMDV 14+1-tone, is a referring to 1.125 kHzKiloHertz Frequency Division digital voice mode originally developed by 3 MHzMegaHertz (MHz) 10 reception and PSKPhase-Shift (kHz) 10^3 Hz -- Multiplex Digital Peter Martinez G3PLX and Francesca Lanza ^6 Hz -- 30 MHzMegaHertz modulation mode) Keying 1.3 kHzKiloHertz Worldwide 1600 tfc DV.png Voice (FDMDV) HB9TLK. It has since been improved upon by (MHz) 10^6 Hz Universal Serial (kHz) 10^3 Hz David Rowe. Bus (Computer, referring to USB Ports and cables) USBUpper Side Band Modulation (Radio, Golay-Teleprinting Over Radio (G-TOR) is an FSK referring to 350 HzHertz (Hz), Frequency-Shift Keying proprietary standard 3 MHzMegaHertz (MHz) 10 reception and FSKFrequency-Shift unit of frequency, G-TOR developed by Kantronics Inc. and is used by ^6 Hz -- 30 MHzMegaHertz modulation mode) Keying defined as one Worldwide G-TOR300.jpg radio amateurs, military (Irish Air Corps/Navy, (MHz) 10^6 Hz Universal Serial cycle per second (1 Mexican army) and governmental agencies (ICRC). Bus (Computer, Hz). referring to USB Ports and cables) USBUpper Side Band Modulation (Radio, referring to Advanced HFHigh Frequency (3-30 MHz) waveform 3 MHzMegaHertz (MHz) 10 reception and PSKPhase-Shift 3 kHzKiloHertz GM2100 (R&S) for data transmission. R&S proprietary. PSK8, ^6 Hz -- 30 MHzMegaHertz modulation mode) Keying (kHz) 10^3 Hz Europe GM2100 R26S.png 2400 sps. (MHz) 10^6 Hz Universal Serial Bus (Computer, referring to USB Ports and cables) USBUpper Side Band Global Maritime Distress and Safety System's Modulation (Radio, Digital Selective Calling (GMDSS-DSC) is a 2.177 MHzMegaHertz referring to 350 HzHertz (Hz), GMDSS Digital maritime communication protocol intended to (MHz) 10^6 Hz -- reception and FSKFrequency-Shift unit of frequency, Selective Calling initiate ship-to-ship, ship-to-shore and 156.525 MHzMegaHertz modulation mode) Keying defined as one Worldwide DSC GMDSS.jpg shore-to-ship radiotelephone and MFMedium (MHz) 10^6 Hz Universal Serial cycle per second (1 Frequency (300-3000 kHz)/HFHigh Frequency (3-30 Bus (Computer, Hz). MHz) radiotelex calls. referring to USB Ports and cables) USBUpper Side Band Modulation (Radio, 300 HzHertz (Hz), Comes from the geostationary satellites GOES 16 1,679.9 MHzMegaHertz referring to 8PSK8-Phase unit of frequency, GOES Data Colection and GOES 17. Relays information about water (MHz) 10^6 Hz -- reception and Phase-Shift Keying defined as one System (DCS) levels, lightning strikes, and other 1,680.2 MHzMegaHertz modulation mode) (3 bits per cycle per second (1 Worldwide GoesDCS300bd.jpeg information. (MHz) 10^6 Hz Universal Serial symbol) Hz). -- 1.2 kHz Bus (Computer, KiloHertz (kHz) 10^ referring to USB 3 Hz Ports and cables) GOES High Rate GOES HRIT is a retransmission of satellite 1,694.1 MHzMegaHertz BPSKBinary 1.205 MHzMegaHertz Information imagery and other information from the GOES-R (MHz) 10^6 Hz RAW Phase-Shift Keying (MHz) 10^6 Hz Worldwide -- GOES HRIT.png Transmission (HRIT) series of satellites. (1 bit per symbol) Gandalf MDTMobile Data Terminal, A mobile data terminal (MDT) is a computerized device used in public transit vehicles, taxicabs, commercial trucking fleets, military logistics, and emergency vehicles, such as police cars, to 150 MHzMegaHertz (MHz) NFMNarrowband 4FSK4-Level Gandalf MDT communicate with a central dispatch office. was 10^6 Hz -- 450 MHz Frequency Frequency Shift 10 kHzKiloHertz Worldwide Gandalf.png developed by Gandalf Mobile Systems, a MegaHertz (MHz) 10^6 Hz Modulation Keying (kHz) 10^3 Hz subsidiary of Canadian company Gandalf Technologies. Used primarily by taxi and courier services in Canada and the United States. This protocol was used in Gandalf's Cabmate systems. Glenayre's Paging Link. With QAMQuadrature Amplitude Modulation being used, It is a way to 152 MHzMegaHertz (MHz) NFMNarrowband QAMQuadrature United Glenayre paging link Glenayre Paging Link upkeep a linked paging transmitter when no data 10^6 Hz -- 512 MHz Frequency Amplitude States spectra.PNG is broadcast. Glenayre C2100/C2000 model MegaHertz (MHz) 10^6 Hz Modulation Modulation control systems were likely to use this. BPSKBinary GPS is a satellite based navigation system that 1,176.45 MHzMegaHertz Phase-Shift Keying 11 MHzMegaHertz Global Positioning provides time and location services to (MHz) 10^6 Hz -- (1 bit per symbol) (MHz) 10^6 Hz -- Worldwide -- NoWaterfallFiller.png System (GPS) receiving devices. 1,575.42 MHzMegaHertz , QAMQuadrature 15.345 MHzMegaHertz (MHz) 10^6 Hz Amplitude (MHz) 10^6 Hz Modulation, DSSS GSM is a 2G digital cellular network standard developed by ETSIEuropean Telecommunications Global System for Standards Institute. An independent, 450 MHzMegaHertz (MHz) GMSKGaussian Mobile Communications not-for-profit, standardization organization in 10^6 Hz -- 1,900 MHz RAW Minimum-Shift 200 kHzKiloHertz Worldwide Gsm.JPG (GSM) the telecommunications industry in Europe, MegaHertz (MHz) 10^6 Hz Keying (kHz) 10^3 Hz developing global telecommunications standards. . As of 2014 it has become the default global standard for mobile communications. USBUpper Side Band Modulation (Radio, PSKPhase-Shift 400 HzHertz (Hz), Globe Wireless' Maritime Digital Radio was a referring to Keying, FSK unit of frequency, Globe Wireless HF system of 24 stations around the globe offering 3 MHzMegaHertz (MHz) 10 reception and Frequency-Shift defined as one Network data services to large cargo vessels. Since ^6 Hz -- 30 MHzMegaHertz modulation mode) Keying, OFDM cycle per second (1 Worldwide GW.jpg 2014, GW has discontinued their HFHigh (MHz) 10^6 Hz Universal Serial Orthogonal Hz). -- 2 kHz Frequency (3-30 MHz) network. Bus (Computer, Frequency-Division KiloHertz (kHz) 10^ referring to USB Multiplexing 3 Hz Ports and cables) Golay Paging (or Golay Sequential Code, GSC) is a one-way 2-FSKFrequency-Shift Keying paging 33 MHzMegaHertz (MHz) NFMNarrowband FSKFrequency-Shift 2.6 kHzKiloHertz Golay Paging (GSC) format developed by Motorola. It is capable of 10^6 Hz -- 932 MHz Frequency Keying (kHz) 10^3 Hz Worldwide Golay.jpg transmitting tone, numeric, alphanumeric, and MegaHertz (MHz) 10^6 Hz Modulation voice pages. The DFM-06 is a standard radiosonde for most 400.01 MHzMegaHertz NFMNarrowband Graw DFM-06 Weather applications. It is perfectly suited for (MHz) 10^6 Hz -- 405.99 Frequency FSKFrequency-Shift 20 kHzKiloHertz Europe Graw.jpg Balloon (Radiosonde) synoptic observations or military applications. MHzMegaHertz (MHz) 10^6 Modulation Keying (kHz) 10^3 Hz Hz Graw DFM-17 Radiosonde developed by Graw/Noris Group GmbH 400 MHzMegaHertz (MHz) NFMNarrowband GFSKGaussian 10 kHzKiloHertz (Radiosonde) for upper air weather observation 10^6 Hz -- 405.99 MHz Frequency Frequency-Shift (kHz) 10^3 Hz Worldwide Dfmwaterfall.png MegaHertz (MHz) 10^6 Hz Modulation Keying USBUpper Side Band Modulation (Radio, referring to 2.25 kHzKiloHertz HC-265 is a Voice Scrambling mode developed by 3 MHzMegaHertz (MHz) 10 reception and FSKFrequency-Shift (kHz) 10^3 Hz -- 3 HC-265 Voice Scrambler Hagelin Crypto for their HC-265 CRYPTOCOM ^6 Hz -- 30 MHzMegaHertz modulation mode) Keying kHzKiloHertz (kHz) Worldwide HC 265.jpg secure voice unit. (MHz) 10^6 Hz Universal Serial 10^3 Hz Bus (Computer, referring to USB Ports and cables) Haegelin Crypto ARQAutomatic Repeat reQuest USBUpper Side Band Automatic Repeat Query (HC-ARQAutomatic Repeat Modulation (Radio, reQuestAutomatic Repeat Query) was an FSK referring to 300 HzHertz (Hz), Frequency-Shift Keying synchronous simplex ARQ 3 MHzMegaHertz (MHz) 10 reception and FSKFrequency-Shift unit of frequency, HC-ARQ Automatic Repeat reQuestAutomatic Repeat Query ^6 Hz -- 30 MHzMegaHertz modulation mode) Keying defined as one Worldwide HC-ARQ.jpg system used by the UN and International Rescue (MHz) 10^6 Hz Universal Serial cycle per second (1 Committee. This mode has been phased out and is Bus (Computer, Hz). no longer in use. referring to USB Ports and cables) HD Radio is a proprietary digital broadcast radio format transmitted in North America, 535 kHzKiloHertz (kHz) OFDMOrthogonal 30 kHzKiloHertz United HD Radio (AM) usually as sidebands on analog carriers. This 10^3 Hz -- 1.7 MHz RAW Frequency-Division (kHz) 10^3 Hz States Hd radio am.jpg is the AMAmplitude Modulation band MegaHertz (MHz) 10^6 Hz Multiplexing implementation of HD Radio. HD Radio is a proprietary digital broadcast radio format transmitted in North America, 87.7 MHzMegaHertz (MHz) OFDMOrthogonal 400 kHzKiloHertz United HD Radio (FM) usually as sidebands on analog carriers. This 10^6 Hz -- 107.9 MHz RAW Frequency-Division (kHz) 10^3 Hz States HD Radio fm broadcast.jpg is the FMFrequency Modulation band MegaHertz (MHz) 10^6 Hz Multiplexing implementation of HD Radio. HNG-FECForward Error Correction was a full USBUpper Side Band duplex system developed and used solely by the Modulation (Radio, Ministry of Foreign Affairs in Hungary. Used referring to 600 HzHertz (Hz), 100.05 bdBaud (unit symbol Bd) is the unit for 2.4 MHzMegaHertz (MHz) reception and FSKFrequency-Shift unit of frequency, HNG-FEC symbol rate or modulation rate in symbols per 10^6 Hz -- 24 MHz modulation mode) Keying defined as one Hungary HNG FEC.jpg second. with 500 HzHertz (Hz), unit of MegaHertz (MHz) 10^6 Hz Universal Serial cycle per second (1 frequency, defined as one cycle per second (1 Bus (Computer, Hz). Hz). shift FSKFrequency-Shift Keying. This mode referring to USB is no longer used today. Ports and cables) USBUpper Side Band Modulation (Radio, referring to 437.375 MHzMegaHertz reception and BPSKBinary HORYU-4 Telemetry HORYU-4 Telemetry (MHz) 10^6 Hz modulation mode) Phase-Shift Keying Worldwide Waterfall2.png Universal Serial (1 bit per symbol) Bus (Computer, referring to USB Ports and cables) OOKOn-Off Keying Modulation, FSK USBUpper Side Band Frequency-Shift 350 HzHertz (Hz), Modulation (Radio, Keying, MSK unit of frequency, referring to Minimum-Shift defined as one Hellschreiber (Also known as Feld Hell or just 3 MHzMegaHertz (MHz) 10 reception and Keying (When Shift cycle per second (1 Hellschreiber Hell) is a teleprinter system developed in the ^6 Hz -- 30 MHzMegaHertz modulation mode) /Bd = 0.5. It is Hz). -- 800 HzHertz Worldwide Feld Hellthmb.jpg late 1920's by Rudolf Hell, a German inventor. (MHz) 10^6 Hz Universal Serial impossible to get (Hz), unit of Bus (Computer, this ratio to be frequency, defined referring to USB lower than 0.5, as one cycle per Ports and cables) hence it is called second (1 Hz). the 'Minimum' shift.) USBUpper Side Band HFDL, also known as HFHigh Frequency (3-30 MHz) Modulation (Radio, -ACARS, ARINC 753, ARINC 635, and HFHigh referring to High Frequency Data Frequency (3-30 MHz) DATALINK,is a data link 2.9 MHzMegaHertz (MHz) reception and PSKPhase-Shift 2.4 kHzKiloHertz Link (HFDL) that aircraft use to communicate short messages 10^6 Hz -- 22 MHz modulation mode) Keying (kHz) 10^3 Hz Worldwide HFDL.jpg over long distances using HFHigh Frequency MegaHertz (MHz) 10^6 Hz Universal Serial (3-30 MHz) signals. Bus (Computer, referring to USB Ports and cables) HFDVL (or HFD+VL) is an experimental mode developed by research groups from The USBUpper Side Band PSKPhase-Shift University of Las Palmas de Gran Canaria and Modulation (Radio, Keying, OFDM The Polytechnic University of Madrid. This mode 14.35 MHzMegaHertz referring to Orthogonal High Frequency Data is intended for military use in accordance with (MHz) 10^6 Hz -- 14.829 reception and Frequency-Division 3 kHzKiloHertz and Voice Link (HFDVL) STANAGNATO Standardization Agreement (STANAG), MHzMegaHertz (MHz) 10^6 modulation mode) Multiplexing, QAM (kHz) 10^3 Hz Spain HFDVL.jpg defines processes, procedures, terms, and Hz Universal Serial Quadrature conditions for common military or technical Bus (Computer, Amplitude procedures or equipment between the member referring to USB Modulation countries of the North Atlantic Treaty Ports and cables) Organization (NATO). 5066 parameters. Hyundai Mobis RKE-4F16 Hyundai Mobis RKE-4F16 Wireless Key Fob for 433.92 MHzMegaHertz WFMWideband FSKFrequency-Shift 110 kHzKiloHertz Key Fob Hyundai Sonata models 2014-Present. (MHz) 10^6 Hz Frequency Keying (kHz) 10^3 Hz Worldwide Hyundai Key Fob.jpg Modulation ICARUS (International ICARUS aims its services primarily at NFMNarrowband Cooperation for Animal scientific groups that perform basic and 468.1 MHzMegaHertz Frequency PSKPhase-Shift 32 kHzKiloHertz Worldwide ICARUS.jpg Research Using Space) application-oriented research with migrating (MHz) 10^6 Hz Modulation Keying (kHz) 10^3 Hz animals. IRA-ARQAutomatic Repeat reQuestAutomatic Repeat Query, also known as BULG-ASCII and ASCII-ARQ USBUpper Side Band Automatic Repeat reQuestAutomatic Repeat Query, Modulation (Radio, 650 HzHertz (Hz), is a high data rate ARQAutomatic Repeat reQuest referring to unit of frequency, Automatic Repeat Query FSKFrequency-Shift 3 MHzMegaHertz (MHz) 10 reception and FSKFrequency-Shift defined as one IRA-ARQ Keying system used by Bulgarian, Slovakian, and ^6 Hz -- 30 MHzMegaHertz modulation mode) Keying cycle per second (1 Worldwide IRA-ARQ 300bd 500hz.jpg Czech diplomatic stations. The maximum speed of (MHz) 10^6 Hz Universal Serial Hz). -- 1.35 kHz this mode has been seen to reach 1200 bdBaud Bus (Computer, KiloHertz (kHz) 10^ (unit symbol Bd) is the unit for symbol rate or referring to USB 3 Hz modulation rate in symbols per second.. Not Ports and cables) seen much much nowadays USBUpper Side Band Modulation (Radio, 904 HzHertz (Hz), referring to unit of frequency, Ionospheric Scattering (ISCAT) mode used for 50 MHzMegaHertz (MHz) reception and MFSKMultiple defined as one ISCAT weak signal long distance radio contact by 10^6 Hz -- 148 MHz modulation mode) Frequency cycle per second (1 Worldwide ISCAT-A Sim.jpg meteor and Ionosphere scattering. MegaHertz (MHz) 10^6 Hz Universal Serial Shift-Keying Hz). -- 1.809 kHz Bus (Computer, KiloHertz (kHz) 10^ referring to USB 3 Hz Ports and cables) ISM Band Weather Data returned from a consumer weather sensor 433 MHzMegaHertz (MHz) AMAmplitude 4.4 kHzKiloHertz Worldwide Alecto wxthmb.png sensor using the AlectoV1 protocol. 10^6 Hz Modulation (kHz) 10^3 Hz AMAmplitude ASKAmplitude-Shift An ISM band device such as a power meter or a 315 MHzMegaHertz (MHz) Modulation, NFM Keying, OOKOn-Off 20 kHzKiloHertz ISMBandPowerMeter ISM Band device wireless doorbell. 10^6 Hz -- 920 MHz Narrowband Keying Modulation, (kHz) 10^3 Hz Worldwide Waterfallthmb.jpg MegaHertz (MHz) 10^6 Hz Frequency FSKFrequency-Shift Modulation Keying USBUpper Side Band ALIS-2, also known as RS-ARQAutomatic Repeat Modulation (Radio, reQuestAutomatic Repeat Query, RS ARQAutomatic referring to Improved Automatic Repeat reQuestAutomatic Repeat Query 240, and 3 MHzMegaHertz (MHz) 10 reception and FSKFrequency-Shift 2 kHzKiloHertz Link Set-up (ALIS-2) MERLIN, is an improvement of the original ALIS ^6 Hz -- 30 MHzMegaHertz modulation mode) Keying (kHz) 10^3 Hz Worldwide ALIS 2.jpg system. ALIS-2 is used in the Rohde & Schwarz (MHz) 10^6 Hz Universal Serial MERLIN modem. Bus (Computer, referring to USB Ports and cables) USBUpper Side Band Modulation (Radio, 1,525 MHzMegaHertz referring to IsatM2M Service operated by Inmarsat on (MHz) 10^6 Hz -- 1,559 reception and MFSKMultiple 1.024 kHzKiloHertz Inmarsat IsatM2M existing Inmarsat-D/D+ infrastructure. MHzMegaHertz (MHz) 10^6 modulation mode) Frequency (kHz) 10^3 Hz Worldwide Inmarsat-D.jpg Hz Universal Serial Shift-Keying Bus (Computer, referring to USB Ports and cables) USBUpper Side Band Modulation (Radio, Inmarsat D+ (and it's predecessor, Inmarsat D) 1,525 MHzMegaHertz referring to 640 HzHertz (Hz), Inmarsat-D(D+) was Inmarsat's satellite paging system. The (MHz) 10^6 Hz -- 1,559 reception and MFSKMultiple unit of frequency, Downlink main use of the technology was in tracking MHzMegaHertz (MHz) 10^6 modulation mode) Frequency defined as one Worldwide Inmarsat D.jpg trucks and buoys and SCADA applications. Hz Universal Serial Shift-Keying cycle per second (1 Bus (Computer, Hz). referring to USB Ports and cables) iDEN is a TDMATime Division Multiple Access QAMQuadrature Integrated Digital -based digital wireless standard developed by 806 MHzMegaHertz (MHz) NFMNarrowband Amplitude 18.5 kHzKiloHertz Enhanced Network Motorola. It is a type of trunked radio with 10^6 Hz -- 869 MHz Frequency Modulation, TDMA (kHz) 10^3 Hz Worldwide IDEN image.jpg (iDEN) cellular phone benefits. MegaHertz (MHz) 10^6 Hz Modulation Time Division Multiple Access Iranian Navy QPSKQuadrature Phase-Shift Keying (2 bits per symbol) Modem is a QPSKQuadrature Phase-Shift Keying (2 bits per symbol) mode USBUpper Side Band used by the Iranian Navy. It has gone through Modulation (Radio, 300 HzHertz (Hz), several versions. The current version (2015) is 8.046 MHzMegaHertz referring to unit of frequency, Iranian Navy QPSK V2 and supports speeds of 468 BdBaud (unit (MHz) 10^6 Hz -- 17.382 reception and PSKPhase-Shift defined as one Modem symbol Bd) is the unit for symbol rate or MHzMegaHertz (MHz) 10^6 modulation mode) Keying cycle per second (1 Iran Iranian Navy QPSK 468.jpg modulation rate in symbols per second., 936 Bd Hz Universal Serial Hz). -- 2.85 kHz Baud (unit symbol Bd) is the unit for symbol Bus (Computer, KiloHertz (kHz) 10^ rate or modulation rate in symbols per second., referring to USB 3 Hz and 1872 BdBaud (unit symbol Bd) is the unit Ports and cables) for symbol rate or modulation rate in symbols per second.. 1,525 MHzMegaHertz IsatData Pro Inmarsat's M2M data service for SCADA asset (MHz) 10^6 Hz -- 1,559 Worldwide -- NoWaterfallFiller.png tracking and reporting. MHzMegaHertz (MHz) 10^6 Hz USBUpper Side Band Modulation (Radio, referring to Israeli Intelligence Israeli Intelligence based FSKFrequency-Shift 3 MHzMegaHertz (MHz) 10 reception and FSKFrequency-Shift 3.1 kHzKiloHertz VFT Keying VFTVoice Frequency Telegraphy. ^6 Hz -- 30 MHzMegaHertz modulation mode) Keying (kHz) 10^3 Hz Israel Israeli Intel VFT.jpg (MHz) 10^6 Hz Universal Serial Bus (Computer, referring to USB Ports and cables) The Israeli Naval Hybrid Modem is based on the USBUpper Side Band MIL-STD-188-110 Serial Standard. Has Modulation (Radio, characteristic preamble with 4/6 Tone and 18 referring to Israeli Navy Hybrid QPSKQuadrature Phase-Shift Keying (2 bits per 3 MHzMegaHertz (MHz) 10 reception and PSKPhase-Shift 2.75 kHzKiloHertz Modem (188-110 MOD) symbol) parallel mode before 110 Serial ^6 Hz -- 30 MHzMegaHertz modulation mode) Keying (kHz) 10^3 Hz Israel Mil Mod Israeli.jpg transmission. Possible use as a broadcast (MHz) 10^6 Hz Universal Serial transmitter for ships. Used by the Israeli Navy Bus (Computer, 4XZ station from Haifa. referring to USB Ports and cables) USBUpper Side Band Modulation (Radio, referring to Israeli based VFTVoice Frequency Telegraphy 3 MHzMegaHertz (MHz) 10 reception and FSKFrequency-Shift 3.1 kHzKiloHertz Israeli VFT transmission, most likely used by Israeli ^6 Hz -- 30 MHzMegaHertz modulation mode) Keying, PSK (kHz) 10^3 Hz Israel Preamble.jpg government or military. (MHz) 10^6 Hz Universal Serial Phase-Shift Keying Bus (Computer, referring to USB Ports and cables) USBUpper Side Band Modulation (Radio, JS8Call is an extremely-weak-signal amateur 1.842 MHzMegaHertz referring to 50 HzHertz (Hz), radio communication mode based on FT8. It (MHz) 10^6 Hz -- 50.318 reception and GFSKGaussian unit of frequency, JS8 allows FT8 to be used for conversations and MHzMegaHertz (MHz) 10^6 modulation mode) Frequency-Shift defined as one Worldwide JS8.png message relaying. Hz Universal Serial Keying cycle per second (1 Bus (Computer, Hz). referring to USB Ports and cables) USBUpper Side Band 180 HzHertz (Hz), Modulation (Radio, unit of frequency, JT65 is an amateur radio QSO communication 1.838 MHzMegaHertz referring to defined as one protocol developed by Joe Taylor, K1JT. JT65 (MHz) 10^6 Hz -- 50.276 reception and MFSKMultiple cycle per second (1 JT65 has 3 submodes: JT65A, JT65B, and JT65C. The MHzMegaHertz (MHz) 10^6 modulation mode) Frequency Hz). -- 710 HzHertz Worldwide JT65AWaterfall.png most popular submode of JT65 is JT65A. JT65 Hz Universal Serial Shift-Keying (Hz), unit of gets '65' from the 65 tones it uses. Bus (Computer, frequency, defined referring to USB as one cycle per Ports and cables) second (1 Hz). USBUpper Side Band Modulation (Radio, 50.215 MHzMegaHertz referring to JT6M is part of the WSJT suite of digital weak (MHz) 10^6 Hz -- 50.25 reception and MFSKMultiple 1 kHzKiloHertz JT6M signal software applications developed by Joe MHzMegaHertz (MHz) 10^6 modulation mode) Frequency (kHz) 10^3 Hz Worldwide JT6M sim.jpg Taylor, K1JT Hz Universal Serial Shift-Keying Bus (Computer, referring to USB Ports and cables) USBUpper Side Band Modulation (Radio, 3.578 MHzMegaHertz referring to 20 HzHertz (Hz), JT9 is a very narrow 9-FSKFrequency-Shift (MHz) 10^6 Hz -- 28.079 reception and MFSKMultiple unit of frequency, JT9 Keying mode for making contact (QSO's) under MHzMegaHertz (MHz) 10^6 modulation mode) Frequency defined as one Worldwide JT9.png extreme weak-signal conditions. Hz Universal Serial Shift-Keying cycle per second (1 Bus (Computer, Hz). referring to USB Ports and cables) USBUpper Side Band MSKMinimum-Shift Modulation (Radio, Keying (When Shift JTMS is a meteor scatter mode that uses MSK referring to /Bd = 0.5. It is Minimum-Shift Keying (When Shift/Bd = 0.5. It 3 MHzMegaHertz (MHz) 10 reception and impossible to get 1.7 kHzKiloHertz JTMS is impossible to get this ratio to be lower ^6 Hz -- 30 MHzMegaHertz modulation mode) this ratio to be (kHz) 10^3 Hz Worldwide JTMS sim.jpg than 0.5, hence it is called the 'Minimum' (MHz) 10^6 Hz Universal Serial lower than 0.5, shift.). JTMS behaves similarily to FSK441. Bus (Computer, hence it is called referring to USB the 'Minimum' Ports and cables) shift.) USBUpper Side Band Modulation (Radio, 4.295 MHzMegaHertz referring to Japan Military Data signal thought to originate from Japanese (MHz) 10^6 Hz -- 16.554 reception and FSKFrequency-Shift 2.4 kHzKiloHertz 8-Channel FSK Military/Navy MHzMegaHertz (MHz) 10^6 modulation mode) Keying (kHz) 10^3 Hz Japan Japan 8 2-fsk.jpg Hz Universal Serial Bus (Computer, referring to USB Ports and cables) USBUpper Side Band Modulation (Radio, 4.153 MHzMegaHertz referring to Japanese Slot Machine The Japanese Slot Machine (Enigma Designation (MHz) 10^6 Hz -- 8.703 reception and PSKPhase-Shift 2 kHzKiloHertz (XSL) XSL) is a simplex system used by the Japanese MHzMegaHertz (MHz) 10^6 modulation mode) Keying (kHz) 10^3 Hz Japan XSL idle.jpg Maritime Self-Defense Force in Ichihara, Japan. Hz Universal Serial Bus (Computer, referring to USB Ports and cables) 4FSK4-Level USBUpper Side Band Frequency Shift Modulation (Radio, Keying, MSK 500 HzHertz (Hz), referring to Minimum-Shift unit of frequency, 3.733 MHzMegaHertz reception and Keying (When Shift defined as one KG-STV KG-STV is an image transmission mode developed (MHz) 10^6 Hz -- modulation mode) /Bd = 0.5. It is cycle per second (1 Worldwide KG-STV 4LFSK norm.jpg by JJ0OBZ in Japan. 10,489.625 MHzMegaHertz Universal Serial impossible to get Hz). -- 2.5 kHz (MHz) 10^6 Hz Bus (Computer, this ratio to be KiloHertz (kHz) 10^ referring to USB lower than 0.5, 3 Hz Ports and cables) hence it is called the 'Minimum' shift.) Kiwi is a telemetry mode developed by CNES used 137.95 MHzMegaHertz NFMNarrowband Kiwi on amateur rockets and radio balloons in (MHz) 10^6 Hz -- 138.5 Frequency FSKFrequency-Shift 12.5 kHzKiloHertz France Kiwi thumb.jpg France. MHzMegaHertz (MHz) 10^6 Modulation Keying (kHz) 10^3 Hz Hz Cospas-Sarsat downlink from polar orbiting 1,544.5 MHzMegaHertz NFMNarrowband PSKPhase-Shift 350 kHzKiloHertz LEOSAR Downlink weather satellites (MHz) 10^6 Hz Frequency Keying (kHz) 10^3 Hz Worldwide LEOTIT.png Modulation Acquired via telecommunications carrier 700 MHzMegaHertz (MHz) SC-FDMAFrequency QPSKQuadrature LTE Uplink hardware during interference investigation of 10^6 Hz -- 2,600 MHz Division Multiple Phase-Shift Keying 5 MHzMegaHertz Worldwide LTEopt.png an Australian cellular network. MegaHertz (MHz) 10^6 Hz Access (2 bits per (MHz) 10^6 Hz symbol) Lentus is an extremely slow QRPIn amateur radio, QRP operation refers to transmitting at reduced power while attempting to maximize USBUpper Side Band one's effective range. mode developed by Modulation (Radio, Patrick Lindecker F6CTE used to transmit QRPIn 136.3 kHzKiloHertz referring to 25 HzHertz (Hz), amateur radio, QRP operation refers to (kHz) 10^3 Hz -- 14.096 reception and MFSKMultiple unit of frequency, Lentus transmitting at reduced power while attempting MHzMegaHertz (MHz) 10^6 modulation mode) Frequency defined as one Worldwide Lentus.png to maximize one's effective range.'s at very Hz Universal Serial Shift-Keying cycle per second (1 low power. Each 43-character (75 bit) Bus (Computer, Hz). transmission takes roughly 5 minutes to referring to USB transmit across 32 possible tones in a tight 25 Ports and cables) HzHertz (Hz), unit of frequency, defined as one cycle per second (1 Hz). bandwidth. Link-11 (Also known as ALLIGATOR, STANAGNATO Standardization Agreement (STANAG), defines USBUpper Side Band processes, procedures, terms, and conditions Modulation (Radio, for common military or technical procedures or referring to equipment between the member countries of the 2 MHzMegaHertz (MHz) 10 reception and 2.5 kHzKiloHertz Link-11 North Atlantic Treaty Organization (NATO). ^6 Hz -- 30 MHzMegaHertz modulation mode) PSKPhase-Shift (kHz) 10^3 Hz -- 6 Worldwide Link-11Waterfall.png 5511, TADIL-A, MIL-STD-6011, and (MHz) 10^6 Hz Universal Serial Keying kHzKiloHertz (kHz) MIL-STD-188-203-1A) is a Tactical Data Link Bus (Computer, 10^3 Hz standard (formerly known as Tactical Digital referring to USB Information Link (TADIL) used by NATONorth Ports and cables) Atlantic Treaty Organization and the US Military for Maritime Tactical Data Exchange. This is the UHFUltra High Frequency (300-3000 MHz) band variant of Link-11, which is 225 MHzMegaHertz (MHz) NFMNarrowband Link-11 (UHF) transmitted on a FMFrequency Modulation 10^6 Hz -- 399.975 MHz Frequency PSKPhase-Shift 30 kHzKiloHertz Worldwide Link-11 UHF.jpg carrier. The FMFrequency Modulation-demodulated MegaHertz (MHz) 10^6 Hz Modulation Keying (kHz) 10^3 Hz baseband is identical to the HFHigh Frequency (3-30 MHz) Link-11 waveform. LoRa (Long Range) is a proprietary low-power 433 MHzMegaHertz (MHz) FMFrequency 250 kHzKiloHertz LoRa wide-area network modulation technique. 10^6 Hz -- 915 MHz Modulation CSS (kHz) 10^3 Hz Worldwide LORA 2.JPG MegaHertz (MHz) 10^6 Hz Lockheed Martin LMS-6 Radiosonde developed by Lockheed Martin for 400 MHzMegaHertz (MHz) NFMNarrowband GFSKGaussian 10 kHzKiloHertz (Radiosonde) upper air weather observation 10^6 Hz -- 1,682 MHz Frequency Frequency-Shift (kHz) 10^3 Hz Worldwide Lms6.png MegaHertz (MHz) 10^6 Hz Modulation Keying 150 MHzMegaHertz (MHz) NFMNarrowband 12.5 kHzKiloHertz Logic Trunked Radio Logic Trunked Radio, is an analog trunked radio 10^6 Hz -- 470 MHz Frequency FSKFrequency-Shift (kHz) 10^3 Hz -- 25 LTR2.png (LTR) format developed by EF Johnson Company. MegaHertz (MHz) 10^6 Hz Modulation Keying kHzKiloHertz (kHz) 10^3 Hz 0 HzHertz (Hz), unit of PPMPulse Position Logitech(R) Wireless This signal comes from Logitech(R) Brand frequency, defined as Modulation, GFSK 500 kHzKiloHertz LOGITECH MOUSE-KBD COMBO Mouse+Keyboard Signal wireless mouse and keyboard combo unit. one cycle per second (1 RAW Gaussian (kHz) 10^3 Hz Worldwide -- ISM-BAND.jpg Hz). Frequency-Shift Keying The Low Rate Picture Transmission (LRPT) is a 137 MHzMegaHertz (MHz) QPSKQuadrature Low Rate Picture digital transmission system, commonly 10^6 Hz -- 138 MHz RAW Phase-Shift Keying 120 kHzKiloHertz Worldwide -- LRPTWaterfall.jpg Transmission (LRPT) transmitted by METEOR-M satellites, used to MegaHertz (MHz) 10^6 Hz (2 bits per (kHz) 10^3 Hz deliver weather images and data. symbol) An open source digital mode developed for 29.1 MHzMegaHertz (MHz) NFMNarrowband 4FSK4-Level 9 kHzKiloHertz M17 RF Protocol amateur and other radio applications. 10^6 Hz -- 450 MHz Frequency Frequency Shift (kHz) 10^3 Hz Worldwide M17 wf.png MegaHertz (MHz) 10^6 Hz Modulation Keying USBUpper Side Band 200 HzHertz (Hz), MD-522 (Also known as MIL-M-55529A) is a Modulation (Radio, unit of frequency, synchronous FSKFrequency-Shift Keying mode referring to defined as one built into GRC-MD522 teletypewriter sets and 3 MHzMegaHertz (MHz) 10 reception and FSKFrequency-Shift cycle per second (1 United MD-522 used for wirelessly transmitting ASCII ^6 Hz -- 30 MHzMegaHertz modulation mode) Keying Hz). -- 300 HzHertz States MD-674.png information. MD-522 has a narrowband, wideband, (MHz) 10^6 Hz Universal Serial (Hz), unit of and diversity mode. Bus (Computer, frequency, defined referring to USB as one cycle per Ports and cables) second (1 Hz). MD-674, also known as Wireline FSK Frequency-Shift Keying, is a very old United States Military FSKFrequency-Shift Keying Modem from the 1960's. Uses 85 HzHertz (Hz), unit of USBUpper Side Band 200 HzHertz (Hz), frequency, defined as one cycle per second (1 Modulation (Radio, unit of frequency, Hz). FSKFrequency-Shift Keying shift. Speeds of referring to defined as one 50 BdBaud (unit symbol Bd) is the unit for 3 MHzMegaHertz (MHz) 10 reception and cycle per second (1 MD-674 symbol rate or modulation rate in symbols per ^6 Hz -- 30 MHzMegaHertz modulation mode) FSKFrequency-Shift Hz). -- 300 HzHertz United MD-674.png second., 75 BdBaud (unit symbol Bd) is the unit (MHz) 10^6 Hz Universal Serial Keying (Hz), unit of States for symbol rate or modulation rate in symbols Bus (Computer, frequency, defined per second., 100 BdBaud (unit symbol Bd) is the referring to USB as one cycle per unit for symbol rate or modulation rate in Ports and cables) second (1 Hz). symbols per second., and 150 BdBaud (unit symbol Bd) is the unit for symbol rate or modulation rate in symbols per second. have been logged. No longer seen today. Motorola's MDC-4800 is a data protocol that was used in ARDIS and DataTAC Networks as well as in MDTMobile Data Terminal, A mobile data terminal (MDT) is a computerized device used in public transit vehicles, taxicabs, commercial 150 MHzMegaHertz (MHz) NFMNarrowband GFSKGaussian 12.5 kHzKiloHertz MDC-4800 trucking fleets, military logistics, and 10^6 Hz -- 850 MHz Frequency Frequency-Shift (kHz) 10^3 Hz Worldwide NoWaterfallFiller.png emergency vehicles, such as police cars, to MegaHertz (MHz) 10^6 Hz Modulation Keying communicate with a central dispatch office. networks. RD-LAP was derived from this mode. Also known as Motorola Mobile Data Communications System (MODACOM) MDC (Motorola Data Communications), also known 30 MHzMegaHertz (MHz) AFSKAudio 12.5 kHzKiloHertz MDC1200 as Stat-Alert, MDC-1200 and MDC-600, is a 10^6 Hz -- 960 MHz FMFrequency Frequency-Shift (kHz) 10^3 Hz -- 20 Worldwide MDC1200 3.png Motorola two-way radio low-speed data system. MegaHertz (MHz) 10^6 Hz Modulation Keying kHzKiloHertz (kHz) 10^3 Hz METEOR-M High A variant of the NOAA HRPT signal, which has a 1,700 MHzMegaHertz PSKPhase-Shift 3 MHzMegaHertz Resolution Picture different data structure and better low-signal (MHz) 10^6 Hz RAW Keying (MHz) 10^6 Hz Worldwide -- METEOR HRPT WF.png Transmission (HRPT) handling characteristics. METOP Advanced High 1,701.3 MHzMegaHertz QPSKQuadrature Resolution Picture A high-speed digital link used by METOP weather (MHz) 10^6 Hz -- 1,707 RAW Phase-Shift Keying 6 MHzMegaHertz Worldwide -- METOP-AHRPT-WF.png Transmission (AHRPT) satellites for direct data dissemination. MHzMegaHertz (MHz) 10^6 (2 bits per (MHz) 10^6 Hz Hz symbol) USBUpper Side Band Modulation (Radio, MIL-STD-110-342 was a US Dept. of Defense referring to standard for a 16 channel VFTVoice Frequency 3 MHzMegaHertz (MHz) 10 reception and FSKFrequency-Shift 3.1 kHzKiloHertz MIL-STD-110-342 Telegraphy teletype transmission. This mode was ^6 Hz -- 30 MHzMegaHertz modulation mode) Keying (kHz) 10^3 Hz Worldwide MIL-STD-110-342.jpg officially cancelled as of December 5th, 1995. (MHz) 10^6 Hz Universal Serial Bus (Computer, referring to USB Ports and cables) USBUpper Side Band Modulation (Radio, MIL-STD-188-110 Appendix A is a 16-tone OFDM referring to PSKPhase-Shift MIL-STD-188-110 Orthogonal Frequency-Division Multiplexing PSK 3 MHzMegaHertz (MHz) 10 reception and Keying, OFDM 2.1 kHzKiloHertz Appendix A 16-Tone Phase-Shift Keying signal used to transmit ^6 Hz -- 30 MHzMegaHertz modulation mode) Orthogonal (kHz) 10^3 Hz Worldwide App A 16-tone.jpg data. As of 110C revision, this mode is being (MHz) 10^6 Hz Universal Serial Frequency-Division phased out. Bus (Computer, Multiplexing referring to USB Ports and cables) USBUpper Side Band Modulation (Radio, MIL-STD-188-110 Appendix B is a 39-tone OFDM referring to PSKPhase-Shift MIL-STD-188-110 Orthogonal Frequency-Division Multiplexing 3 MHzMegaHertz (MHz) 10 reception and Keying, OFDM 2.4 kHzKiloHertz Appendix B 39-Tone DQPSKDifferential Quadrature Phase-Shift Keying ^6 Hz -- 30 MHzMegaHertz modulation mode) Orthogonal (kHz) 10^3 Hz Worldwide 188-110 App B.jpg mode used to send data and voice. (MHz) 10^6 Hz Universal Serial Frequency-Division Bus (Computer, Multiplexing referring to USB Ports and cables) USBUpper Side Band MIL-STD-188-110 Serial is a US Department of Modulation (Radio, Defense standard for HFHigh Frequency (3-30 referring to MHz) Communications, Serial PSKPhase-Shift 3 MHzMegaHertz (MHz) 10 reception and PSKPhase-Shift 2.75 kHzKiloHertz MIL-STD-188-110 Serial Keying mode. Can transmit both data and voice ^6 Hz -- 30 MHzMegaHertz modulation mode) Keying (kHz) 10^3 Hz Worldwide MIL STD 188-110ABC.jpg with a range of interleaving and speed modes (MHz) 10^6 Hz Universal Serial for optimal propagation. Bus (Computer, referring to USB Ports and cables) MMP-4800 was a MDTMobile Data Terminal, A mobile data terminal (MDT) is a computerized device used in public transit vehicles, taxicabs, commercial trucking fleets, military 12.5 kHzKiloHertz logistics, and emergency vehicles, such as 150 MHzMegaHertz (MHz) NFMNarrowband (kHz) 10^3 Hz -- 25 MMP-4800 police cars, to communicate with a central 10^6 Hz -- 900 MHz Frequency kHzKiloHertz (kHz) Worldwide Mpp4800.png dispatch office. (Mobile Data Terminal) MegaHertz (MHz) 10^6 Hz Modulation 10^3 Hz protocol developed by Canadian company Mobile Data International (MDI) in 1982 for their Mobile Data Terminals. Used by public safety and commercial industries. Phased out. GMSKGaussian MOBITEX is an OSI based open standard, national 400 MHzMegaHertz (MHz) NFMNarrowband Minimum-Shift 15 kHzKiloHertz MOBITEX public access wireless packet-switched data 10^6 Hz -- 900 MHz Frequency Keying, FFSKFast (kHz) 10^3 Hz Worldwide MOBITEX 8000.jpg network. MegaHertz (MHz) 10^6 Hz Modulation Frequency-Shift Keying FFSKFast 10 kHzKiloHertz MPT1327 (Ministry of Posts and Telegraph 1327) 162.5 MHzMegaHertz NFMNarrowband Frequency-Shift (kHz) 10^3 Hz -- 25 MPT 1327 is a signaling protocol standard for analog (MHz) 10^6 Hz -- 800 MHz Frequency Keying, FM kHzKiloHertz (kHz) Worldwide MPT1327 waterfall.png trunked radio MegaHertz (MHz) 10^6 Hz Modulation Frequency 10^3 Hz Modulation MRZ-N1 Weather Balloon MRZ-N1 is a russian weather radiosonde. 403 MHzMegaHertz (MHz) FMFrequency FSKFrequency-Shift 5 kHzKiloHertz Russia MHZ.PNG (radiosonde) 10^6 Hz Modulation Keying (kHz) 10^3 Hz MSKMinimum-Shift MSK144 is a Minimum Shift Keying FSK Keying (When Shift Frequency-Shift Keying signal used for amateur /Bd = 0.5. It is radio meteor-scatter contacts. It transmits 144 50 MHzMegaHertz (MHz) FMFrequency impossible to get 2.5 kHzKiloHertz MSK144 bit long packets at a baudrate of 2000 bpsBits 10^6 Hz -- 440 MHz Modulation this ratio to be (kHz) 10^3 Hz Worldwide MSK144 2.png per second (bps) using frequencies 1000 and MegaHertz (MHz) 10^6 Hz lower than 0.5, 2000 HzHertz (Hz), unit of frequency, defined hence it is called as one cycle per second (1 Hz).. the 'Minimum' shift.) USBUpper Side Band MSM-1250 (Medium Speed Modem) is a 10 FSK Modulation (Radio, Frequency-Shift Keying-2 OFDMOrthogonal referring to 2.4 kHzKiloHertz Frequency-Division Multiplexing digital data 3 MHzMegaHertz (MHz) 10 reception and FSKFrequency-Shift (kHz) 10^3 Hz -- MSM-1250 Modem protocol used by the stand-alone modem ^6 Hz -- 30 MHzMegaHertz modulation mode) Keying 2.5 kHzKiloHertz Worldwide MSM-1250.jpg "SkyFax", used to transmit and receive faxes on (MHz) 10^6 Hz Universal Serial (kHz) 10^3 Hz HFHigh Frequency (3-30 MHz). Bus (Computer, referring to USB Ports and cables) USBUpper Side Band Modulation (Radio, 500 HzHertz (Hz), MT63 is a Orthogonal Frequency Division referring to OFDMOrthogonal unit of frequency, Multiplexed (OFDMOrthogonal Frequency-Division 3 MHzMegaHertz (MHz) 10 reception and Frequency-Division defined as one MT63 Multiplexing) digital data mode aimed for use ^6 Hz -- 30 MHzMegaHertz modulation mode) Multiplexing, PSK cycle per second (1 Worldwide MT63.jpg in high noise environments. (MHz) 10^6 Hz Universal Serial Phase-Shift Keying Hz). -- 2 kHz Bus (Computer, KiloHertz (kHz) 10^ referring to USB 3 Hz Ports and cables) The Marconi Selenia 25-Tone Modem is a military modem developed sometime around 2003 by Marconi USBUpper Side Band Selenia Communications (Now Finmeccanica). It Modulation (Radio, supports ECCMElectronic Counter-CounterMeasures referring to PSKPhase-Shift Marconi Selenia (ECCM) is a part of electronic warfare which 3 MHzMegaHertz (MHz) 10 reception and Keying, OFDM 1.6 kHzKiloHertz 25-Tone Modem includes a variety of practices which attempt ^6 Hz -- 30 MHzMegaHertz modulation mode) Orthogonal (kHz) 10^3 Hz Worldwide Marconi25.jpg to reduce or eliminate the effect of electronic (MHz) 10^6 Hz Universal Serial Frequency-Division countermeasures (ECM) such as jamming. ECCM is Bus (Computer, Multiplexing also known as electronic protective measures referring to USB (EPM), chiefly in Europe. capability and Ports and cables) transmits at a datarate of 2400bps. Mazda SKE126-01 Key SKE126-01 Key Fob used for multiple Mazda 433.413 MHzMegaHertz WFMWideband FSKFrequency-Shift 100 kHzKiloHertz Fob models between 2006-2014. Manufactured by (MHz) 10^6 Hz Frequency Keying (kHz) 10^3 Hz Worldwide SKE126-012.png Mitsubishi Electric Company. Modulation USBUpper Side Band Modulation (Radio, Mazielka (X06) is a diplomatic selcall system 4.963 MHzMegaHertz referring to 200 HzHertz (Hz), used by the Russian Ministry of Foreign (MHz) 10^6 Hz -- 23.458 reception and MFSKMultiple unit of frequency, Mazielka (X06) Affairs. Used to alert that a Serdolik MHzMegaHertz (MHz) 10^6 modulation mode) Frequency defined as one Russia X06.jpg transmission is going to occur soon, usually on Hz Universal Serial Shift-Keying cycle per second (1 a different frequency. Bus (Computer, Hz). referring to USB Ports and cables) Meteomodem M10 Weather 400 MHzMegaHertz (MHz) NFMNarrowband PSKPhase-Shift 30 kHzKiloHertz Balloon (Radiosonde) Weather balloon (radiosonde) telemetry data. 10^6 Hz -- 406 MHz Frequency Keying (kHz) 10^3 Hz Worldwide M10-sigidwiki1.jpg MegaHertz (MHz) 10^6 Hz Modulation Meteomodem PilotSonde 400 MHzMegaHertz (MHz) NFMNarrowband FSKFrequency-Shift 15 kHzKiloHertz Weather Balloon Weather balloon telemetry data. 10^6 Hz -- 406 MHz Frequency Keying (kHz) 10^3 Hz Worldwide Pilotsonde.png MegaHertz (MHz) 10^6 Hz Modulation Microsonde Mark II 400 MHzMegaHertz (MHz) WFMWideband Weather Balloon - Weather balloon telemetry data. The LORAN-C 10^6 Hz -- 406 MHz Frequency FSKFrequency-Shift 130 kHzKiloHertz Worldwide Microsondemk2.png LORAN-C signal signal is mixed into the carrier. MegaHertz (MHz) 10^6 Hz Modulation Keying (kHz) 10^3 Hz (Radiosonde) UHFUltra High Frequency (300-3000 MHz) FHSS Downlink of Milstar, a US joint military 243.785 MHzMegaHertz Milstar service satellite communications system that (MHz) 10^6 Hz -- RAW FHSS 50 kHzKiloHertz Worldwide Milstar FHSS.jpg provides secure, jam resistant, worldwide 243.822 MHzMegaHertz (kHz) 10^3 Hz communications. Nicknamed 'Waterdroplets' for (MHz) 10^6 Hz it's characteristic waveform and sound. USBUpper Side Band 400 HzHertz (Hz), The Modernised High Frequency Communications Modulation (Radio, unit of frequency, Modernised High System (MHFCS) is an Australian Department of referring to defined as one Frequency Defense HFHigh Frequency (3-30 MHz) System for 2.01 MHzMegaHertz (MHz) reception and FSKFrequency-Shift cycle per second (1 Communications System their military communications network. Also 10^6 Hz -- 27.478 MHz modulation mode) Keying Hz). -- 750 HzHertz Australia ISB AUS MIL.jpg (MHFCS) known as AUS MIL ISBIndependent Side Band MegaHertz (MHz) 10^6 Hz Universal Serial (Hz), unit of Modulation Modem, AUS MHFCS, and ADF HFCS. Bus (Computer, frequency, defined referring to USB as one cycle per Ports and cables) second (1 Hz). Motorola's ASTRO 25 High Performance Data Air Interface allows Motorola ASTRO 25 HPD modems 769 MHzMegaHertz (MHz) QAMQuadrature Motorola ASTRO 25 HPD to transfer data at up to 96 kbpsKilobits per 10^6 Hz -- 869 MHz RAW Amplitude 17.7 kHzKiloHertz United Motorola-ASTRO25-HPD-HAI.png Air Interface second (kbps) over a 25 kHzKiloHertz (kHz) 10^3 MegaHertz (MHz) 10^6 Hz Modulation (kHz) 10^3 Hz States Hz channel in the 700 MHzMegaHertz (MHz) 10^6 Hz or 800 MHzMegaHertz (MHz) 10^6 Hz bands. 136 MHzMegaHertz (MHz) NFMNarrowband FSKFrequency-Shift 16 kHzKiloHertz Motorola Type II Radio trunking control channel. 10^6 Hz -- 941 MHz Frequency Keying (kHz) 10^3 Hz Worldwide Moto.jpg MegaHertz (MHz) 10^6 Hz Modulation USBUpper Side Band 154 HzHertz (Hz), MFSKMultiple Frequency Shift-Keying is a family Modulation (Radio, unit of frequency, of multi-frequency shift keying digital referring to defined as one Multi Frequency Shift transmission modes. MFSKMultiple Frequency 3 MHzMegaHertz (MHz) 10 reception and MFSKMultiple cycle per second (1 Keying (MFSK) Shift-Keying-8 and MFSKMultiple Frequency ^6 Hz -- 30 MHzMegaHertz modulation mode) Frequency Hz). -- 630 HzHertz Worldwide MFSK 8 thmb.jpg Shift-Keying-16 are two well-known amateur (MHz) 10^6 Hz Universal Serial Shift-Keying (Hz), unit of radio modes. Bus (Computer, frequency, defined referring to USB as one cycle per Ports and cables) second (1 Hz). Multitone Paging signal, developed by Multitone 25 MHzMegaHertz (MHz) NFMNarrowband FFSKFast 12.5 kHzKiloHertz Multitone Paging Electronics in the UK. Uses similar coding to 10^6 Hz -- 470 MHz Frequency Frequency-Shift (kHz) 10^3 Hz -- 25 Worldwide Multitone Pager.jpg POCSAG but the headers are different and only MegaHertz (MHz) 10^6 Hz Modulation Keying kHzKiloHertz (kHz) work with Multitone's range of paging products 10^3 Hz Narrowband Internet of Things (NB-IoTInternet QPSKQuadrature of Things) is a Low Power Wide Area Network 700 MHzMegaHertz (MHz) AMAmplitude Phase-Shift Keying 200 kHzKiloHertz NB-IOT (LPWAN) radio technology standard developed by 10^6 Hz -- 1,900 MHz Modulation (2 bits per (kHz) 10^3 Hz Worldwide NB-IOT.JPG 3GPP to enable a wide range of cellular devices MegaHertz (MHz) 10^6 Hz symbol) and services. 300 HzHertz (Hz), Naval Radio Transmitter Facility (NRTF) 25.2 kHzKiloHertz (kHz) FSKFrequency-Shift unit of frequency, United NML transmits encrypted commands to submerged US 10^3 Hz CWContinuous Wave Keying defined as one States NMLopt.png submarines. cycle per second (1 Hz). The Direct Sounder Broadcast (DSBDual Side Band Modulation) is an auxiliary telemetry downlink 137.35 MHzMegaHertz NFMNarrowband NOAA Direct Sounder from NOAA Polar Operational Environmental (MHz) 10^6 Hz -- 137.77 Frequency PSKPhase-Shift 33.5 kHzKiloHertz Worldwide DSB.jpg Broadcast (DSB) Satellites (POES), transmitted alongside MHzMegaHertz (MHz) 10^6 Modulation Keying (kHz) 10^3 Hz Automatic Picture Transmission (APT) Hz broadcasts. NOAA POES High A digital link to transmit images and other 1,698 MHzMegaHertz Resolution Picture data collected from the satellite at a high (MHz) 10^6 Hz -- 1,707 RAW PSKPhase-Shift 3 MHzMegaHertz Worldwide -- NOAA-HRPT-WF.png Transmission (HRPT) resolution. MHzMegaHertz (MHz) 10^6 Keying (MHz) 10^6 Hz Hz TACAMO (take charge and move out) is the back up communications system to the US nuclear submarine fleet in case an attack on land based transmitters disables them. A rotating fleet of 26.9 kHzKiloHertz (kHz) NOV Navy E6 jets equipped with 200 KW transmitters 10^3 Hz CWContinuous Wave Worldwide TACAMO (2).jpg and two 21/2-mile-long trailing wire antennas (TWA) at 35,000 ft altitude to provide 24/7 coverage. Short pings are transmitted every few seconds. 300 HzHertz (Hz), Naval Radio Transmitting Facility (NRTF) sends 21.4 kHzKiloHertz (kHz) FSKFrequency-Shift unit of frequency, United NPM encrypted commands to submerged US naval 10^3 Hz CWContinuous Wave Keying defined as one States Lualualei HI (2).jpg submarines in the Pacific. cycle per second (1 Hz). Naval Communication Station (NCS) Harold E. 300 HzHertz (Hz), Holt. Used jointly by the Australian and United 19.8 kHzKiloHertz (kHz) FSKFrequency-Shift unit of frequency, NWC States navies to transmit encrypted orders to 10^3 Hz CWContinuous Wave Keying defined as one Australia HE Holt Australia (2).jpg submerged submarines in the Pacific. cycle per second (1 Hz). Near Field 13.56 MHzMegaHertz ASKAmplitude-Shift 1.7 MHzMegaHertz Worldwide -- NFC.png Communication (NFC) (MHz) 10^6 Hz Keying (MHz) 10^6 Hz Next Generation NXDN is a digital narrowband trunked radio 136 MHzMegaHertz (MHz) NFMNarrowband C4FMContinuous 6.25 kHzKiloHertz Digital Narrowband protocol used in commercial, business & 10^6 Hz -- 520 MHz Frequency 4-Level Frequency (kHz) 10^3 Hz -- Worldwide NXDN.jpg (NXDN) industry, transport and Public Safety MegaHertz (MHz) 10^6 Hz Modulation Modulation 12.5 kHzKiloHertz professional radio systems. (kHz) 10^3 Hz 301.5 MHzMegaHertz AMAmplitude 40 kHzKiloHertz NissanCarFob Nissan Car Key Wireless entry rolling code car key. (MHz) 10^6 Hz -- 433 MHz Modulation (kHz) 10^3 Hz Worldwide Waterfallthmb.png MegaHertz (MHz) 10^6 Hz USBUpper Side Band Modulation (Radio, The Nokia Adaptive Message Terminal, also known referring to 1 kHzKiloHertz Nokia Adaptive Message as Nokia Adaptive Burst Modem and Kryapp 302, 3 MHzMegaHertz (MHz) 10 reception and FSKFrequency-Shift (kHz) 10^3 Hz -- 300 Bd semiidle stanag Terminal is a Finnish encrypted messaging system ^6 Hz -- 30 MHzMegaHertz modulation mode) Keying 1.6 kHzKiloHertz Worldwide 4202.jpg suggested to be used by Finnish Intelligence (MHz) 10^6 Hz Universal Serial (kHz) 10^3 Hz Services and Swedish Military. Bus (Computer, referring to USB Ports and cables) Nordic Mobile Telephone (NMT, NMT-450, and NMT-900) is a first generation analog cell 453 MHzMegaHertz (MHz) NFMNarrowband Nordic Mobile phone system. Originally designed for and by 10^6 Hz -- 960 MHz Frequency FSKFrequency-Shift 25 kHzKiloHertz Worldwide NMT.jpg Telephone (NMT) Nordic countries (Finland, Sweden, Norway, MegaHertz (MHz) 10^6 Hz Modulation Keying (kHz) 10^3 Hz Denmark) it was widely deployed around the world. Nowadays (as of 2015) NMT is defunct. North Korean Diplomatic FSKFrequency-Shift USBUpper Side Band Keying link, teletype radio diplomatic usage. Modulation (Radio, Also known as DPRK-FSKFrequency-Shift Keying, referring to 1.2 kHzKiloHertz KRE-FSKFrequency-Shift Keying, DPRK-ARQ 9 MHzMegaHertz (MHz) 10 reception and FSKFrequency-Shift (kHz) 10^3 Hz -- North North Korean Diplo FSK Automatic Repeat reQuestAutomatic Repeat Query, ^6 Hz -- 29 MHzMegaHertz modulation mode) Keying 1.4 kHzKiloHertz Korea DPRK ARQ.jpg and KEGURI. Has a FECForward Error Correction (MHz) 10^6 Hz Universal Serial (kHz) 10^3 Hz stream mode and a burst ARQAutomatic Repeat Bus (Computer, reQuestAutomatic Repeat Query mode. referring to USB Ports and cables) North Korean Diplomatic PSKPhase-Shift Keying link. Also known as KRE-PSKPhase-Shift Keying. Four speed modes have been seen, 150 bdBaud (unit symbol Bd) is the unit for symbol rate or USBUpper Side Band modulation rate in symbols per second., 300 bd Modulation (Radio, 300 HzHertz (Hz), Baud (unit symbol Bd) is the unit for symbol referring to unit of frequency, rate or modulation rate in symbols per second., 9 MHzMegaHertz (MHz) 10 reception and defined as one North Korean Diplo PSK 600 bdBaud (unit symbol Bd) is the unit for ^6 Hz -- 29 MHzMegaHertz modulation mode) PSKPhase-Shift cycle per second (1 North DPRK 1200bd.jpg symbol rate or modulation rate in symbols per (MHz) 10^6 Hz Universal Serial Keying Hz). -- 2.4 kHz Korea second., and 1200 bdBaud (unit symbol Bd) is Bus (Computer, KiloHertz (kHz) 10^ the unit for symbol rate or modulation rate in referring to USB 3 Hz symbols per second.. All use BPSKBinary Ports and cables) Phase-Shift Keying (1 bit per symbol) modulation. The main identifying feature of this signal are the preambles and end of transmission patterns. USBUpper Side Band Modulation (Radio, 125 HzHertz (Hz), OLIVIA is an amateur digital teletype mode referring to unit of frequency, designed by Pawel Jalocha SP9VRC in 2005. Its 3 MHzMegaHertz (MHz) 10 reception and MFSKMultiple defined as one Olivia goal was to be effective even in poor ^6 Hz -- 30 MHzMegaHertz modulation mode) Frequency cycle per second (1 Worldwide Olivia 8-250y.png propagation conditions. (MHz) 10^6 Hz Universal Serial Shift-Keying Hz). -- 2 kHz Bus (Computer, KiloHertz (kHz) 10^ referring to USB 3 Hz Ports and cables) 700 MHzMegaHertz (MHz) NFMNarrowband TDMATime Division 20.07 kHzKiloHertz OpenSky 10^6 Hz -- 1,000 MHz Frequency Multiple Access (kHz) 10^3 Hz Worldwide OpenSky2opt.png MegaHertz (MHz) 10^6 Hz Modulation Orbcomm satellites are used for monitoring and 137 MHzMegaHertz (MHz) NFMNarrowband PSKPhase-Shift 15 kHzKiloHertz Orbcomm sending short text messages. 10^6 Hz -- 150 MHz Frequency Keying (kHz) 10^3 Hz Worldwide ORBCOMM.jpg MegaHertz (MHz) 10^6 Hz Modulation USBUpper Side Band Modulation (Radio, PACKET, also known as FSK300, AX25, and X25, is referring to 730 HzHertz (Hz), a packet based protocol derived from AX.25 and 3 MHzMegaHertz (MHz) 10 reception and FSKFrequency-Shift unit of frequency, PACKET HDLC computer network protocols. Packet radio ^6 Hz -- 800 MHz modulation mode) Keying defined as one Worldwide PACKET 300.jpg is a synchronous system in which data is MegaHertz (MHz) 10^6 Hz Universal Serial cycle per second (1 transmitted in ASCII character packets. Bus (Computer, Hz). referring to USB Ports and cables) USBUpper Side Band Modulation (Radio, referring to 300 HzHertz (Hz), PACTOR-I is a digital data protocol combining 3 MHzMegaHertz (MHz) 10 reception and FSKFrequency-Shift unit of frequency, PACTOR I elements of PACKET and AMTOR ARQAutomatic ^6 Hz -- 30 MHzMegaHertz modulation mode) Keying defined as one Worldwide PACTOR Addimg.jpg Repeat reQuestAutomatic Repeat Query. (MHz) 10^6 Hz Universal Serial cycle per second (1 Bus (Computer, Hz). referring to USB Ports and cables) USBUpper Side Band Modulation (Radio, referring to 450 HzHertz (Hz), PACTOR II is an advancement of PACTOR I. It is 3 MHzMegaHertz (MHz) 10 reception and PSKPhase-Shift unit of frequency, PACTOR II up to 8 times faster than PACTOR I. ^6 Hz -- 30 MHzMegaHertz modulation mode) Keying defined as one Worldwide PACTOR IIstd.jpg (MHz) 10^6 Hz Universal Serial cycle per second (1 Bus (Computer, Hz). referring to USB Ports and cables) USBUpper Side Band PACTOR III introduces 6 speed levels that Modulation (Radio, 400 HzHertz (Hz), provide higher throughput and improved referring to unit of frequency, robustness compared to PACTOR I and II. PACTOR 3 MHzMegaHertz (MHz) 10 reception and PSKPhase-Shift defined as one PACTOR III III is on average 3.5 times faster than PACTOR ^6 Hz -- 30 MHzMegaHertz modulation mode) Keying cycle per second (1 Worldwide PACTORIIIthumb.jpg II. With optimal conditions, PACTOR III becomes (MHz) 10^6 Hz Universal Serial Hz). -- 2.4 kHz over 5 times faster. Bus (Computer, KiloHertz (kHz) 10^ referring to USB 3 Hz Ports and cables) USBUpper Side Band Modulation (Radio, 300 HzHertz (Hz), PACTOR IV is the newest iteration of the PACTOR referring to PSKPhase-Shift unit of frequency, series, advancing from PACTOR I-III. It is 3 MHzMegaHertz (MHz) 10 reception and Keying, QAM defined as one PACTOR IV 1.5x-3x faster than PACTOR III, and has 10 ^6 Hz -- 30 MHzMegaHertz modulation mode) Quadrature cycle per second (1 Worldwide PACTOR IV.jpg speed levels. (MHz) 10^6 Hz Universal Serial Amplitude Hz). -- 2.4 kHz Bus (Computer, Modulation KiloHertz (kHz) 10^ referring to USB 3 Hz Ports and cables) PAX and PAX2 are developed by Patrick Lindecker USBUpper Side Band F6CTE in 2005, and was derived from Olivia. It Modulation (Radio, utilizes the AX.25 protocol that PACKET uses, referring to 500 HzHertz (Hz), and had a minimum SNR of -10dB. Can transmit 3.59 MHzMegaHertz (MHz) reception and MFSKMultiple unit of frequency, PAX APRSAutomatic Packet Reporting System, an 10^6 Hz -- 144.62 MHz modulation mode) Frequency defined as one Worldwide PAX.jpg amateur radio-based system for real time MegaHertz (MHz) 10^6 Hz Universal Serial Shift-Keying cycle per second (1 tactical digital communications of information Bus (Computer, Hz). of immediate value in the local area frames. referring to USB Ports and cables) POCSAG (Post Office Code Standardisation Advisory Group), also known as Super-POCSAG, 25 MHzMegaHertz (MHz) NFMNarrowband FSKFrequency-Shift 9 kHzKiloHertz POCSAG Radio Paging Code No. 1 or RPC1, is a one-way 10^6 Hz -- 932 MHz Frequency Keying (kHz) 10^3 Hz Worldwide POCSAG Waterfallthmb.png 2FSK paging protocol that supports 512, 1200, MegaHertz (MHz) 10^6 Hz Modulation and 2400 bpsBits per second (bps). POL-ARQAutomatic Repeat reQuestAutomatic Repeat USBUpper Side Band Query was a duplex ARQAutomatic Repeat reQuest Modulation (Radio, Automatic Repeat Query system used by Polish referring to 350 HzHertz (Hz), and Italian diplomatic services. This system 3 MHzMegaHertz (MHz) 10 reception and FSKFrequency-Shift unit of frequency, POL-ARQ uses the CCIRComite Consultatif International ^6 Hz -- 30 MHzMegaHertz modulation mode) Keying defined as one Europe POL-ARQ.png pour la Radio (Predecessor of the ITU-R) 476-4 (MHz) 10^6 Hz Universal Serial cycle per second (1 alphabet with polatiry retained. No longer in Bus (Computer, Hz). use. referring to USB Ports and cables) Europe (when Dump of satellite data to Redu, Belgium 2,235 MHzMegaHertz BPSKBinary 4 MHzMegaHertz satellite Schermata del 2022-12-26 PROBA 1/2 Downlink groundstation from the PROBA 1 and 2 ESA (MHz) 10^6 Hz RAW Phase-Shift Keying (MHz) 10^6 Hz has line -- 12-20-13.png satellites. (1 bit per symbol) of sight to Redu, Belgium) Also known as PSKPhase-Shift Keying paging, is a variant of AFSKAudio Frequency-Shift Keying 150 MHzMegaHertz (MHz) PSK Paging link paging link that allows sub-PSKPhase-Shift 10^6 Hz -- 470 MHz FMFrequency PSKPhase-Shift 12.5 kHzKiloHertz United Purc signaling.png Keying modes to be modulated from the main MegaHertz (MHz) 10^6 Hz Modulation Keying (kHz) 10^3 Hz States pulse train and using notch filters to produce a dynamic sound to it. USBUpper Side Band 40 HzHertz (Hz), PSKPhase-Shift Keying-AMAmplitude Modulation is Modulation (Radio, unit of frequency, an amateur digital mode developed by Patrick 10.148 MHzMegaHertz referring to defined as one Lindecker F6CTE in 2002/2003, and incorporates (MHz) 10^6 Hz -- 144.62 reception and PSKPhase-Shift cycle per second (1 PSK-AM FECForward Error Correction interleaving. PSK MHzMegaHertz (MHz) 10^6 modulation mode) Keying Hz). -- 180 HzHertz Worldwide PSKAM-31.png Phase-Shift Keying-AMAmplitude Modulation uses Hz Universal Serial (Hz), unit of the modulation of PSK10/31 with the FECForward Bus (Computer, frequency, defined Error Correction of SITOR-B. referring to USB as one cycle per Ports and cables) second (1 Hz). USBUpper Side Band PSK2K is a meteor scatter type of mode written Modulation (Radio, by DJ5HG Using a modulation scheme of BPSK 50.36 MHzMegaHertz referring to Binary Phase-Shift Keying (1 bit per symbol) at (MHz) 10^6 Hz -- 144.36 reception and PSKPhase-Shift 2 kHzKiloHertz PSK2K 2000 BdBaud (unit symbol Bd) is the unit for MHzMegaHertz (MHz) 10^6 modulation mode) Keying (kHz) 10^3 Hz Worldwide PSK2K.jpg symbol rate or modulation rate in symbols per Hz Universal Serial second.. Bus (Computer, referring to USB Ports and cables) USBUpper Side Band Modulation (Radio, Panther-H is an intelligent frequency hopping referring to transceiver developed by Racal (now Thales 1.5 MHzMegaHertz (MHz) reception and PSKPhase-Shift 3 kHzKiloHertz Panther-H Modem Group). Has a signature 8-burst SOC (Start Of 10^6 Hz -- 30 MHz modulation mode) Keying (kHz) 10^3 Hz Worldwide Panther-H SOC.png Conversation) sync procedure. Used in MegaHertz (MHz) 10^6 Hz Universal Serial Panther-2000H radios Bus (Computer, referring to USB Ports and cables) USBUpper Side Band Modulation (Radio, 10 HzHertz (Hz), PSKPhase-Shift Keying is a digital teletype referring to unit of frequency, Phase Shift Keying mode based on Phase-Shift Keying (PSK 1.838 MHzMegaHertz reception and PSKPhase-Shift defined as one (PSK) Phase-Shift Keying) modulation. The most (MHz) 10^6 Hz -- 909 MHz modulation mode) Keying cycle per second (1 Worldwide BPSKthumb.png popular amateur radio PSKPhase-Shift Keying MegaHertz (MHz) 10^6 Hz Universal Serial Hz). -- 1 kHz mode is PSKPhase-Shift Keying 31. Bus (Computer, KiloHertz (kHz) 10^ referring to USB 3 Hz Ports and cables) USBUpper Side Band 180 HzHertz (Hz), Modulation (Radio, unit of frequency, Piccolo was a MFSKMultiple Frequency referring to defined as one Shift-Keying system developed by the UK Foreign 3 MHzMegaHertz (MHz) 10 reception and MFSKMultiple cycle per second (1 Piccolo and Commonwealth Office (FCO) to communicate ^6 Hz -- 30 MHzMegaHertz modulation mode) Frequency Hz). -- 300 HzHertz Worldwide Piccolo Mk12.png with foreign embassies and UK military stations (MHz) 10^6 Hz Universal Serial Shift-Keying (Hz), unit of around the world. No longer used. Bus (Computer, frequency, defined referring to USB as one cycle per Ports and cables) second (1 Hz). USBUpper Side Band Modulation (Radio, referring to Polish Intelligence One-way broadcast system, used by one of Polish 4 MHzMegaHertz (MHz) 10 reception and FSKFrequency-Shift 3.5 kHzKiloHertz 100bd 625Hz FSK intelligence agencies for delivery of messages ^6 Hz -- 20 MHzMegaHertz modulation mode) Keying (kHz) 10^3 Hz Poland F11.png to their operatives abroad on fixed schedules. (MHz) 10^6 Hz Universal Serial Bus (Computer, referring to USB Ports and cables) Signals sent from portable traffic lights that are often used at roadworks. https://teknokoodiradio.vuodatus.net/lue/2018/ NFMNarrowband Portable Traffic 01/ 154.463 MHzMegaHertz Frequency Worldwide PortTrafLight Waterfall.png Lights mobile-traffic-lights-radiomodem-at-430-3-mhz (MHz) 10^6 Hz Modulation https://teknokoodiradio.vuodatus.net/lue/2018/ 01/ mobile-traffic-lights-radiomodem-at-430-3-mhz-2 Positive train control (PTC) is a system of Positive Train Control functional requirements for monitoring and 220 MHzMegaHertz (MHz) RAW 20 kHzKiloHertz United PTC.jpg (PTC) controlling train movements as an attempt to 10^6 Hz (kHz) 10^3 Hz States provide increased safety. ProVoice is a digital voice mode used in EDACS 160 MHzMegaHertz (MHz) NFMNarrowband GFSKGaussian ProVoice trunked systems. 10^6 Hz -- 941 MHz Frequency Frequency-Shift Worldwide NoWaterfallFiller.png MegaHertz (MHz) 10^6 Hz Modulation Keying PSKPhase-Shift Project 25 (P25 or APCO-25) is a trunked radio Keying, C4FM standard developed by The Association of Public 136 MHzMegaHertz (MHz) NFMNarrowband Continuous 4-Level 12.5 kHzKiloHertz Project 25 (P25) Safety Communications Officials International 10^6 Hz -- 859 MHz Frequency Frequency (kHz) 10^3 Hz Worldwide P25.jpg (APCO-25) for use with public safety MegaHertz (MHz) 10^6 Hz Modulation Modulation, TDMA organizations around the world. Time Division Multiple Access USBUpper Side Band The Q-MAC HFHigh Frequency (3-30 MHz) Modem is Modulation (Radio, a military modem developed by Q-MAC (acquired referring to PSKPhase-Shift by Barrett Communications). It uses OFDM 3 MHzMegaHertz (MHz) 10 reception and Keying, OFDM 2 kHzKiloHertz Q-MAC HF Modem Orthogonal Frequency-Division Multiplexing with ^6 Hz -- 30 MHzMegaHertz modulation mode) Orthogonal (kHz) 10^3 Hz Worldwide QMAC.jpg a BPSKBinary Phase-Shift Keying (1 bit per (MHz) 10^6 Hz Universal Serial Frequency-Division symbol) sync channel in a gap of the signal. Bus (Computer, Multiplexing referring to USB Ports and cables) USBUpper Side Band Q15X25, also known as NEWQPSK, is an Modulation (Radio, experimental amateur radio packet modem 3.585 MHzMegaHertz referring to PSKPhase-Shift 1.95 kHzKiloHertz developed by Pawel Jalocha SP9VRC. Q15X25 is a (MHz) 10^6 Hz -- 14.109 reception and Keying, OFDM (kHz) 10^3 Hz -- Q15X25 OFDMOrthogonal Frequency-Division Multiplexing MHzMegaHertz (MHz) 10^6 modulation mode) Orthogonal 2.35 kHzKiloHertz Worldwide Q15X25 2400.jpg QPSKQuadrature Phase-Shift Keying (2 bits per Hz Universal Serial Frequency-Division (kHz) 10^3 Hz symbol) implementation of the AX.25 Packet Bus (Computer, Multiplexing protocol used in PACKET. referring to USB Ports and cables) USBUpper Side Band Modulation (Radio, QPSKQuadrature 10,489.5 MHzMegaHertz referring to Phase-Shift Keying High speed modem for qo-100 amateur satellite (MHz) 10^6 Hz -- 10,490 reception and (2 bits per 2.7 kHzKiloHertz QO-100 QO-100-modem narrow transponder. MHzMegaHertz (MHz) 10^6 modulation mode) symbol), BPSK (kHz) 10^3 Hz footprint Qo-100 modem 1.JPG Hz Universal Serial Binary Phase-Shift Bus (Computer, Keying (1 bit per referring to USB symbol), APSK Ports and cables) BPSKBinary Phase-Shift Keying This signal originates from the Silicon (1 bit per symbol) Instruments Si1000 Software Defined Radio (SDR) 414 MHzMegaHertz (MHz) , QAMQuadrature No Quadcopter Telemetry that is a component of the 3DR Telemetry Radio, 10^6 Hz -- 935 MHz FHSS-TDM Amplitude Worldwide Audio Quadcopter.png Signal sold for use as a data link between a computer MegaHertz (MHz) 10^6 Hz Modulation, 8PSK File ground station and a UAV "a drone". 8-Phase Phase-Shift Keying (3 bits per symbol) USBUpper Side Band RAC-ARQAutomatic Repeat reQuestAutomatic Repeat Modulation (Radio, Query, also known as MEROD and RACAL-ARQ referring to 1 kHzKiloHertz Automatic Repeat reQuestAutomatic Repeat Query, 3 MHzMegaHertz (MHz) 10 reception and FSKFrequency-Shift (kHz) 10^3 Hz -- RAC-ARQ is a teleprinter system by Racal, used in MEROD ^6 Hz -- 30 MHzMegaHertz modulation mode) Keying 1.3 kHzKiloHertz Worldwide RAC-ARQ.jpg devices. MEROD stands for Message Entry and (MHz) 10^6 Hz Universal Serial (kHz) 10^3 Hz Read Out Device. Hasn't been seen since 2010. Bus (Computer, referring to USB Ports and cables) USBUpper Side Band Modulation (Radio, referring to ROS is an amateur radio teletype free running 1.8 MHzMegaHertz (MHz) reception and 2 kHzKiloHertz ROS QSO mode designed for low signal/high noise 10^6 Hz -- 30 MHz modulation mode) DSSS (kHz) 10^3 Hz Worldwide ROS 8Bd.jpg conditions. MegaHertz (MHz) 10^6 Hz Universal Serial Bus (Computer, referring to USB Ports and cables) USBUpper Side Band RTTYM, developed by Nick Fedoseev (UT2UZ) in Modulation (Radio, 150 HzHertz (Hz), 2005, is a digital mode derived from Olivia. It referring to unit of frequency, aims to deliver a compromise of speed and 3 MHzMegaHertz (MHz) 10 reception and MFSKMultiple defined as one RTTYM performance. RTTYM is about 4x faster than ^6 Hz -- 30 MHzMegaHertz modulation mode) Frequency cycle per second (1 Worldwide RTTYM.png Olivia, but trades the speed for reduced (MHz) 10^6 Hz Universal Serial Shift-Keying Hz). -- 2 kHz robustness and sensitivity. Bus (Computer, KiloHertz (kHz) 10^ referring to USB 3 Hz Ports and cables) USBUpper Side Band RUM-FECForward Error Correction, also known as Modulation (Radio, ROU-FECForward Error Correction and SAU-FEC referring to 750 HzHertz (Hz), Forward Error Correction, is a FSK 3 MHzMegaHertz (MHz) 10 reception and FSKFrequency-Shift unit of frequency, RUM-FEC Frequency-Shift Keying FECForward Error ^6 Hz -- 30 MHzMegaHertz modulation mode) Keying defined as one Romania RUM-FEC.jpg Correction system used by Romanian diplomatic (MHz) 10^6 Hz Universal Serial cycle per second (1 services. This is no longer used today, Bus (Computer, Hz). replaced by MIL-STD 188-110 Serial. referring to USB Ports and cables) RUM-MOI FECForward Error Correction, also known USBUpper Side Band as RUM-MIL 115.76 BdBaud (unit symbol Bd) is Modulation (Radio, the unit for symbol rate or modulation rate in referring to 600 HzHertz (Hz), symbols per second., is a FSKFrequency-Shift 3 MHzMegaHertz (MHz) 10 reception and FSKFrequency-Shift unit of frequency, RUM-MOI FEC Keying FECForward Error Correction mode used by ^6 Hz -- 30 MHzMegaHertz modulation mode) Keying defined as one Romania ROU-MOI tfc.jpg the Romanian Ministry of Internal Affairs, (MHz) 10^6 Hz Universal Serial cycle per second (1 supposedly under military use. This is no Bus (Computer, Hz). longer used today, replaced by MIL-STD 188-110 referring to USB Serial. Ports and cables) Motorola's Radio Data Link Access Procedure (RD-LAP) is a 1G protocol that was used in ARDIS and DataTAC Networks, and is still used in some MDTMobile Data Terminal, A mobile data 12.5 kHzKiloHertz Radio Data Link Access terminal (MDT) is a computerized device used in 150 MHzMegaHertz (MHz) NFMNarrowband 4FSK4-Level (kHz) 10^3 Hz -- 25 Procedure (RD-LAP) public transit vehicles, taxicabs, commercial 10^6 Hz -- 850 MHz Frequency Frequency Shift kHzKiloHertz (kHz) Worldwide RD-LAP image.jpg trucking fleets, military logistics, and MegaHertz (MHz) 10^6 Hz Modulation Keying 10^3 Hz emergency vehicles, such as police cars, to communicate with a central dispatch office.'s, as well as gas companies, police departments, fire departments, financial companies, etc. Radio Data System (RDS) and its North American Radio Data System variant, Radio Broadcast Data System (RBDS), 65 MHzMegaHertz (MHz) DSBDual Side Band PSKPhase-Shift 4 kHzKiloHertz (RDS) are data modes transmitted on subcarriers of 10^6 Hz -- 108 MHz Modulation Keying (kHz) 10^3 Hz Worldwide RBDS.png commercial FMFrequency Modulation radio station MegaHertz (MHz) 10^6 Hz transmissions. USBUpper Side Band 85 HzHertz (Hz), RTTYRadio TeleTYpe (Also known as Baudot or Modulation (Radio, unit of frequency, ITA2) uses the Baudot 5-bit alphabet with FSK 147.3 kHzKiloHertz referring to defined as one Frequency-Shift Keying to send text messages (kHz) 10^3 Hz -- 28.15 reception and FSKFrequency-Shift cycle per second (1 Radio Teletype (RTTY) over the shortwave. This mode is gradually MHzMegaHertz (MHz) 10^6 modulation mode) Keying Hz). -- 850 HzHertz Worldwide RTTY thumbnail.jpg dying out in favor of more robust modes like Hz Universal Serial (Hz), unit of PSK31 in the amateur service. Bus (Computer, frequency, defined referring to USB as one cycle per Ports and cables) second (1 Hz). 896 MHzMegaHertz (MHz) NFMNarrowband FFSKFast 40 kHzKiloHertz United ReFLEX ReFLEX is a two-way paging variant of FLEX. 10^6 Hz -- 941 MHz Frequency Frequency-Shift (kHz) 10^3 Hz States ReFLEX.jpg MegaHertz (MHz) 10^6 Hz Modulation Keying USBUpper Side Band Modulation (Radio, 9.065 MHzMegaHertz referring to Redundant Digital File RDFT is an amateur radio digital mode used to (MHz) 10^6 Hz -- 9.24 reception and PSKPhase-Shift 1.8 kHzKiloHertz Transfer (RDFT) transmit files. MHzMegaHertz (MHz) 10^6 modulation mode) Keying (kHz) 10^3 Hz Worldwide Digtrx intro.jpg Hz Universal Serial Bus (Computer, referring to USB Ports and cables) Robust PACKET, also known as HFHigh Frequency (3-30 MHz)-APRSAutomatic Packet Reporting USBUpper Side Band System, an amateur radio-based system for real Modulation (Radio, time tactical digital communications of referring to PSKPhase-Shift 500 HzHertz (Hz), information of immediate value in the local 3.61 MHzMegaHertz (MHz) reception and Keying, OFDM unit of frequency, Robust PACKET area, RPR, Winlink RMS, and APRSlink, is an 10^6 Hz -- 14.103 MHz modulation mode) Orthogonal defined as one Worldwide Robust PACKET.jpg OFDMOrthogonal Frequency-Division Multiplexing MegaHertz (MHz) 10^6 Hz Universal Serial Frequency-Division cycle per second (1 version of the amateur mode PACKET which is Bus (Computer, Multiplexing Hz). optimized for shortwave use. This mode was referring to USB developed by Spezielle Communications Systeme Ports and cables) GmbH & Co. KG (SCS). USBUpper Side Band Modulation (Radio, Russian Diplomatic 3 channel VFTVoice Frequency 4.022 MHzMegaHertz referring to Russian Diplo VFT PSK Telegraphy PSKPhase-Shift Keying running at 64 (MHz) 10^6 Hz -- 23.131 reception and PSKPhase-Shift 2.5 kHzKiloHertz 64Bd BdBaud (unit symbol Bd) is the unit for symbol MHzMegaHertz (MHz) 10^6 modulation mode) Keying (kHz) 10^3 Hz Russia CIS unk.jpg rate or modulation rate in symbols per second.. Hz Universal Serial Enigma M42 designation Bus (Computer, referring to USB Ports and cables) USBUpper Side Band Modulation (Radio, One-way error-correcting broadcast system, used referring to Russian Intelligence by one of Russian intelligence agencies for 4 MHzMegaHertz (MHz) 10 reception and FSKFrequency-Shift 1 kHzKiloHertz Russian Intelligence 200bd 200bd 1000Hz FSK delivery of messages to their operatives abroad ^6 Hz -- 23 MHzMegaHertz modulation mode) Keying (kHz) 10^3 Hz Russia 1000Hz FSK.jpg on fixed schedules. (MHz) 10^6 Hz Universal Serial Bus (Computer, referring to USB Ports and cables) USBUpper Side Band Modulation (Radio, referring to 400 HzHertz (Hz), Russian overhead power Russian telemetry system, transmitted over the 50 kHzKiloHertz (kHz) reception and FSKFrequency-Shift unit of frequency, line telemetry system overhead power lines. 10^3 Hz -- 1 MHz modulation mode) Keying defined as one Russia Pow tel 3.JPG MegaHertz (MHz) 10^6 Hz Universal Serial cycle per second (1 Bus (Computer, Hz). referring to USB Ports and cables) This is what the signal of a military S-Band (In this case 2.4 GHzGigaHertz (GHz) 10^9 Hz) 0 HzHertz (Hz), RADAR and WiFi intentional interference 0 HzHertz (Hz), unit of Noise (Amplitude, unit of frequency, S-Band Jammer (Jamming) device looks like. This signal is frequency, defined as None Frequency and defined as one Worldwide -- RADAR JAMMER HDSDR.jpg generated by a DDS system and is then used to one cycle per second (1 Phase) cycle per second (1 modulate the output of a 2.45 GHzGigaHertz Hz). Hz). (GHz) 10^9 Hz magnetron (The same as in a microwave oven). SI-ARQAutomatic Repeat reQuestAutomatic Repeat USBUpper Side Band Query, also known as ARQAutomatic Repeat Modulation (Radio, reQuestAutomatic Repeat Query-S and ARQ referring to 350 HzHertz (Hz), Automatic Repeat reQuestAutomatic Repeat Query 3 MHzMegaHertz (MHz) 10 reception and FSKFrequency-Shift unit of frequency, SI-ARQ -1000S, is a simplex ARQAutomatic Repeat ^6 Hz -- 30 MHzMegaHertz modulation mode) Keying defined as one Europe SI-ARQ.png reQuestAutomatic Repeat Query system designed (MHz) 10^6 Hz Universal Serial cycle per second (1 by Siemens formerly used by Austrian and Bus (Computer, Hz). Indonesian diplomatic services. No longer used referring to USB today. Ports and cables) SI-FECForward Error Correction, also known as USBUpper Side Band FECForward Error Correction-S, FECForward Error Modulation (Radio, Correction 1000 Simplex, and FECForward Error referring to 280 HzHertz (Hz), Correction-1000S, was the FECForward Error 3 MHzMegaHertz (MHz) 10 reception and unit of frequency, SI-FEC Correction variant of SI-ARQAutomatic Repeat ^6 Hz -- 30 MHzMegaHertz modulation mode) FSKFrequency-Shift defined as one Europe SI-FEC.png reQuestAutomatic Repeat Query, and was only (MHz) 10^6 Hz Universal Serial Keying cycle per second (1 used under extremely poor propagation Bus (Computer, Hz). conditions. SI-FECForward Error Correction was referring to USB developed by Siemens and was used by Austrian Ports and cables) and Indonesian diplomatic services. SIGFOX is a IoTInternet of Things wireless network system utilizing ETSIEuropean Telecommunications Standards Institute. An independent, not-for-profit, standardization 868 MHzMegaHertz (MHz) BPSKBinary 200 kHzKiloHertz SIGFOX organization in the telecommunications industry 10^6 Hz -- 868.6 MHz RAW Phase-Shift Keying (kHz) 10^3 Hz Worldwide 3 SIGFOX.jpg in Europe, developing global telecommunications MegaHertz (MHz) 10^6 Hz (1 bit per symbol) standards.'s specification for Low Throughput Networks (LTN) and Ultra Narrow-Band (UNB) modulation. USBUpper Side Band Modulation (Radio, referring to 350 HzHertz (Hz), SITOR-A (Also known as AMTOR-A) is one of two 3 MHzMegaHertz (MHz) 10 reception and FSKFrequency-Shift unit of frequency, SITOR-A modes of SITOR, which stands for Simplex ^6 Hz -- 30 MHzMegaHertz modulation mode) Keying defined as one Worldwide SITOR-A.jpg Teletype Over Radio. (MHz) 10^6 Hz Universal Serial cycle per second (1 Bus (Computer, Hz). referring to USB Ports and cables) SP-14 (XP) was a 14 tone MFSKMultiple Frequency Shift-Keying mode with origins from the Russian 9 MHzMegaHertz (MHz) 10 AMAmplitude MFSKMultiple 1.2 kHzKiloHertz SP-14 (XP) Intelligence and Foreign Ministry. Also known ^6 Hz -- 12 MHzMegaHertz Modulation Frequency (kHz) 10^3 Hz Russia XP.png as NUM-13. Inactive since 2005, superseded by (MHz) 10^6 Hz Shift-Keying XPA. USBUpper Side Band SPREAD, also known as AUTOSPEC Mk2, SPREAD-11, Modulation (Radio, SPREAD-21, and SPREAD-51, was a FECForward referring to 600 HzHertz (Hz), Error Correction system used by Romanian 3 MHzMegaHertz (MHz) 10 reception and FSKFrequency-Shift unit of frequency, SPREAD diplomatic stations and the Brazilian Navy and ^6 Hz -- 30 MHzMegaHertz modulation mode) Keying defined as one Worldwide SPREAD.jpg shore stations. SPREAD is considered the (MHz) 10^6 Hz Universal Serial cycle per second (1 successor to AUTOSPEC. Bus (Computer, Hz). referring to USB Ports and cables) STANAGNATO Standardization Agreement (STANAG), defines processes, procedures, terms, and USBUpper Side Band conditions for common military or technical Modulation (Radio, procedures or equipment between the member referring to PSKPhase-Shift countries of the North Atlantic Treaty 3 MHzMegaHertz (MHz) 10 reception and Keying, OFDM STANAG 4197 Organization (NATO). 4197 is a NATONorth ^6 Hz -- 30 MHzMegaHertz modulation mode) Orthogonal 2.3 kHzKiloHertz Worldwide STANAG 4197.jpg Atlantic Treaty Organization QPSKQuadrature (MHz) 10^6 Hz Universal Serial Frequency-Division (kHz) 10^3 Hz Phase-Shift Keying (2 bits per symbol) OFDM Bus (Computer, Multiplexing Orthogonal Frequency-Division Multiplexing referring to USB signal used in ANDVT modems that transmit Ports and cables) encrypted digital voice over HFHigh Frequency (3-30 MHz). STANAGNATO Standardization Agreement (STANAG), defines processes, procedures, terms, and USBUpper Side Band conditions for common military or technical Modulation (Radio, procedures or equipment between the member referring to countries of the North Atlantic Treaty 1.89 MHzMegaHertz (MHz) reception and STANAG 4285 Organization (NATO). 4285 is specified by the 10^6 Hz -- 22.7 MHz modulation mode) PSKPhase-Shift 2.75 kHzKiloHertz Worldwide STANAG 4285.jpg NATONorth Atlantic Treaty Organization (North MegaHertz (MHz) 10^6 Hz Universal Serial Keying (kHz) 10^3 Hz Atlantic Treaty Organization) Military Agency Bus (Computer, for Standardization in "Characteristics of 1200 referring to USB / 2400 / 3600 Bits per Second Single Tone Ports and cables) Modulators / Demodulators for HFHigh Frequency (3-30 MHz) Radio Links" STANAGNATO Standardization Agreement (STANAG), defines processes, procedures, terms, and USBUpper Side Band conditions for common military or technical Modulation (Radio, procedures or equipment between the member referring to countries of the North Atlantic Treaty 3 MHzMegaHertz (MHz) 10 reception and PSKPhase-Shift 2.75 kHzKiloHertz STANAG 4415 Organization (NATO). 4415 is a NATONorth ^6 Hz -- 30 MHzMegaHertz modulation mode) Keying (kHz) 10^3 Hz Worldwide STANAG 4415.jpg Atlantic Treaty Organization standard for (MHz) 10^6 Hz Universal Serial robust, non-hopping digital data communication, Bus (Computer, used on severely degraded HFHigh Frequency referring to USB (3-30 MHz) channels with large Doppler and Ports and cables) multipath spreads. STANAGNATO Standardization Agreement (STANAG), defines processes, procedures, terms, and conditions for common military or technical USBUpper Side Band procedures or equipment between the member Modulation (Radio, countries of the North Atlantic Treaty 2.815 MHzMegaHertz referring to 1.5 kHzKiloHertz Organization (NATO). 4481, also known as CRATT, (MHz) 10^6 Hz -- 18.016 reception and FSKFrequency-Shift (kHz) 10^3 Hz -- STANAG 4481 Link-4, and NATONorth Atlantic Treaty MHzMegaHertz (MHz) 10^6 modulation mode) Keying, PSK 2.75 kHzKiloHertz Worldwide STANAG 4481.jpg Organization-75, is specified by the NATONorth Hz Universal Serial Phase-Shift Keying (kHz) 10^3 Hz Atlantic Treaty Organization (North Atlantic Bus (Computer, Treaty Organization) Military Agency for referring to USB Standardization as a "Minimum technical Ports and cables) equipment standards for naval HFHigh Frequency (3-30 MHz) shore-to-ship broadcast system" STANAGNATO Standardization Agreement (STANAG), defines processes, procedures, terms, and conditions for common military or technical procedures or equipment between the member USBUpper Side Band countries of the North Atlantic Treaty Modulation (Radio, Organization (NATO). 4529 a modification of referring to STANAGNATO Standardization Agreement (STANAG), 3 MHzMegaHertz (MHz) 10 reception and STANAG 4529 defines processes, procedures, terms, and ^6 Hz -- 30 MHzMegaHertz modulation mode) PSKPhase-Shift 1.24 kHzKiloHertz Worldwide 4529 long.jpg conditions for common military or technical (MHz) 10^6 Hz Universal Serial Keying (kHz) 10^3 Hz procedures or equipment between the member Bus (Computer, countries of the North Atlantic Treaty referring to USB Organization (NATO). 4285 to deliver data and Ports and cables) voice in 1240 HzHertz (Hz), unit of frequency, defined as one cycle per second (1 Hz). of bandwidth at rates of up to 1800 bpsBits per second (bps). STANAGNATO Standardization Agreement (STANAG), defines processes, procedures, terms, and USBUpper Side Band conditions for common military or technical Modulation (Radio, procedures or equipment between the member referring to PSKPhase-Shift countries of the North Atlantic Treaty 3 MHzMegaHertz (MHz) 10 reception and Keying, QAM 3 kHzKiloHertz STANAG 4539 Organization (NATO). 4539 or MIL-STD-188-110B/C ^6 Hz -- 30 MHzMegaHertz modulation mode) Quadrature (kHz) 10^3 Hz Worldwide QAM 8000 M.jpg Appendix C is a HDR (110B) / MDR (110C) serial (MHz) 10^6 Hz Universal Serial Amplitude PSKPhase-Shift Keying/QAMQuadrature Amplitude Bus (Computer, Modulation Modulation signal that can reach speeds up to referring to USB 9600 bpsBits per second (bps) (12800 bpsBits Ports and cables) per second (bps) with no interleaving). STANAGNATO Standardization Agreement (STANAG), FSKFrequency-Shift defines processes, procedures, terms, and USBUpper Side Band Keying, MSK 235 HzHertz (Hz), conditions for common military or technical Modulation (Radio, Minimum-Shift unit of frequency, procedures or equipment between the member referring to Keying (When Shift defined as one countries of the North Atlantic Treaty 50 kHzKiloHertz (kHz) reception and /Bd = 0.5. It is cycle per second (1 STANAG 5065 Organization (NATO). 5065 is defined as 10^3 Hz -- 160 kHz modulation mode) impossible to get Hz). -- 360 HzHertz Worldwide STANAG 5065 FSK.jpg "Minimum Standards for Naval Low Frequency (LF KiloHertz (kHz) 10^3 Hz Universal Serial this ratio to be (Hz), unit of Low Frequency (30-300 kHz)) Shore-To-Ship Bus (Computer, lower than 0.5, frequency, defined Surface Broadcast Systems", with two primary referring to USB hence it is called as one cycle per protocols, FSK75 and MSK300. Ports and cables) the 'Minimum' second (1 Hz). shift.) SWED-ARQAutomatic Repeat reQuestAutomatic USBUpper Side Band Repeat Query, also known as ARQAutomatic Repeat Modulation (Radio, reQuestAutomatic Repeat Query-SWE, was a referring to 600 HzHertz (Hz), Swedish simplex ARQAutomatic Repeat reQuest 3 MHzMegaHertz (MHz) 10 reception and FSKFrequency-Shift unit of frequency, SWED-ARQ Automatic Repeat Query system used by Swedish ^6 Hz -- 30 MHzMegaHertz modulation mode) Keying defined as one Sweden SWED-ARQ.jpg diplomatic services. This protocol supported (MHz) 10^6 Hz Universal Serial cycle per second (1 three packet lengths and was able to change Bus (Computer, Hz). packet length mid-transmission. No longer used referring to USB today. Ports and cables) USBUpper Side Band The MHF-50 MFSKMultiple Frequency Shift-Keying Modulation (Radio, Modem by Saab Grintek Technologies in South 4.245 MHzMegaHertz referring to MFSKMultiple Saab Grintek MHF-50 Africa is a data modem that utilizes RTTYRadio (MHz) 10^6 Hz -- 12.982 reception and Frequency 2.2 kHzKiloHertz South MFSK Modem TeleTYpe, 2-FSKFrequency-Shift Keying, and 33- MHzMegaHertz (MHz) 10^6 modulation mode) Shift-Keying, FSK (kHz) 10^3 Hz Africa MHF-50.jpg MFSKMultiple Frequency Shift-Keying to transmit Hz Universal Serial Frequency-Shift data Bus (Computer, Keying referring to USB Ports and cables) USBUpper Side Band Modulation (Radio, referring to FSKFrequency-Shift 12.5 kHzKiloHertz Schneider Trio Schneider Trio E-Series Modems are industrial 370 MHzMegaHertz (MHz) reception and Keying, GMSK (kHz) 10^3 Hz -- 25 E-Series Modem modems used for SCADA, telemetry, and other 10^6 Hz -- 518 MHz modulation mode) Gaussian kHzKiloHertz (kHz) Worldwide Trio.PNG ASCII-based messaging applications. MegaHertz (MHz) 10^6 Hz Universal Serial Minimum-Shift 10^3 Hz Bus (Computer, Keying referring to USB Ports and cables) These are samples from the Sensus Water meters. Sensus Water meter They are a FHSS ASKAmplitude-Shift Keying 902 MHzMegaHertz (MHz) ASKAmplitude-Shift 175 MHzMegaHertz (Acquisition units) encoded data transmission for purposes of 10^6 Hz -- 927 MHz Keying, FHSS (MHz) 10^6 Hz Worldwide -- SWD.png providing municipalities water meter telemetry MegaHertz (MHz) 10^6 Hz (for billing how much water you use). USBUpper Side Band Modulation (Radio, referring to Serdolik is a MFSKMultiple Frequency 3 MHzMegaHertz (MHz) 10 reception and MFSKMultiple 1.4 kHzKiloHertz Serdolik Shift-Keying signal used by the Russian ^6 Hz -- 30 MHzMegaHertz modulation mode) Frequency (kHz) 10^3 Hz Russia Crowd 36thmb.jpg diplomatic service. (MHz) 10^6 Hz Universal Serial Shift-Keying Bus (Computer, referring to USB Ports and cables) USBUpper Side Band Modulation (Radio, CHX200, also known as Siemens CHP200 and referring to 300 HzHertz (Hz), Siemens CHX-200 FSK PRC-921/GY, is a backpack HFHigh Frequency 1.5 MHzMegaHertz (MHz) reception and FSKFrequency-Shift unit of frequency, Modem (3-30 MHz) ECCOM transceiver, designed and 10^6 Hz -- 30 MHz modulation mode) Keying defined as one Worldwide CHX200.jpg built by Siemens. MegaHertz (MHz) 10^6 Hz Universal Serial cycle per second (1 Bus (Computer, Hz). referring to USB Ports and cables) 300 HzHertz (Hz), Single frequency Russian telemetry system, transmitted over the 50 kHzKiloHertz (kHz) SSBSingle-sideband AMAmplitude unit of frequency, russian overhead power overhead power lines. 10^3 Hz -- 1 MHz modulation Modulation defined as one Russia Lep2smalll.png line telemetry system MegaHertz (MHz) 10^6 Hz cycle per second (1 Hz). 2,332.5 MHzMegaHertz OFDMOrthogonal SiriusXM Satellite SiriusXM Satellite Radio: Terrestrial Repeater (MHz) 10^6 Hz -- 2,345 RAW Frequency-Division 12.5 MHzMegaHertz United -- XM sattelite radio.jpg Radio Signal MHzMegaHertz (MHz) 10^6 Multiplexing, PSK (MHz) 10^6 Hz States Hz Phase-Shift Keying Snap Circuits SCROV-10 A remote control transmission from the 27.145 MHzMegaHertz ASKAmplitude-Shift 6 kHzKiloHertz Remote Control controller from an Elenco Snap Circuits (MHz) 10^6 Hz RAW Keying (kHz) 10^3 Hz SCROV-10.png SCROV-10 kit. Supervisory Control And Data Acquisition Supervisory Control (SCADA) is a control system architecture that 413 MHzMegaHertz (MHz) And Data Acquisition is used in industrial applications for 10^6 Hz -- 950 MHz FMFrequency FSKFrequency-Shift 12 kHzKiloHertz SCADA2.png (SCADA) computerized automated systems. Wireless MegaHertz (MHz) 10^6 Hz Modulation Keying (kHz) 10^3 Hz telemetry is used on RTU's to send data to control units for operators to utilize. USBUpper Side Band Modulation (Radio, Mahovik, "Flywheel" in Russian, is a PSK referring to Phase-Shift Keying based mode that can transmit 3 MHzMegaHertz (MHz) 10 reception and PSKPhase-Shift 2.5 kHzKiloHertz T-230-1A 'Mahovik' both voice and data. It is transmitted from a ^6 Hz -- 30 MHzMegaHertz modulation mode) Keying (kHz) 10^3 Hz Russia Flywheel.jpg Russian T-230-1A radio transceiver. (MHz) 10^6 Hz Universal Serial Bus (Computer, referring to USB Ports and cables) USBUpper Side Band 173 HzHertz (Hz), Modulation (Radio, unit of frequency, referring to defined as one THOR is an adaptation of DominoEX with MFSK16 3 MHzMegaHertz (MHz) 10 reception and IFKIncremental cycle per second (1 THOR binary varicode and FECForward Error Correction ^6 Hz -- 30 MHzMegaHertz modulation mode) Frequency Keying Hz). -- 524 HzHertz Worldwide THORthmb.png . (MHz) 10^6 Hz Universal Serial (Hz), unit of Bus (Computer, frequency, defined referring to USB as one cycle per Ports and cables) second (1 Hz). USBUpper Side Band 72 HzHertz (Hz), Modulation (Radio, unit of frequency, THROB is a unique data mode that relies heavily referring to defined as one on DSP techniques, using MFSKMultiple Frequency 3 MHzMegaHertz (MHz) 10 reception and MFSKMultiple cycle per second (1 THROB Shift-Keying and AMAmplitude Modulation ^6 Hz -- 30 MHzMegaHertz modulation mode) Frequency Hz). -- 188 HzHertz Worldwide THROB1prev.png modulation techniques together. (MHz) 10^6 Hz Universal Serial Shift-Keying (Hz), unit of Bus (Computer, frequency, defined referring to USB as one cycle per Ports and cables) second (1 Hz). USBUpper Side Band Modulation (Radio, TT2300, also known as TT2300B, TT2300-ARQ 5.029 MHzMegaHertz referring to 1.6 kHzKiloHertz Automatic Repeat reQuestAutomatic Repeat Query, (MHz) 10^6 Hz -- 7.72 reception and MFSKMultiple (kHz) 10^3 Hz -- TT2300 TRA-2300, and TPLEX, is an 8MFSK synchronous MHzMegaHertz (MHz) 10^6 modulation mode) Frequency 1.7 kHzKiloHertz Worldwide TT2300 100 Bd.jpg system developed by Thrane & Thrane of Denmark Hz Universal Serial Shift-Keying (kHz) 10^3 Hz (acquired by UK defense firm Cobham in 2012). Bus (Computer, referring to USB Ports and cables) TWINPLEX, also known as F7B4 and USBUpper Side Band 450 HzHertz (Hz), TWINPLEX-SITOR, was a diplex 4-FSK Modulation (Radio, unit of frequency, Frequency-Shift Keying ARQAutomatic Repeat referring to defined as one reQuestAutomatic Repeat Query mode developed by 3 MHzMegaHertz (MHz) 10 reception and MFSKMultiple cycle per second (1 TWINPLEX Mackay Radio and Telegraph Company, based in ^6 Hz -- 30 MHzMegaHertz modulation mode) Frequency Hz). -- 950 HzHertz Worldwide Danish TWINPLEX.jpg New York City, in the early 1950's. TWINPLEX (MHz) 10^6 Hz Universal Serial Shift-Keying (Hz), unit of was used by Interpol, the United Nations, and Bus (Computer, frequency, defined other diplomatic services. referring to USB as one cycle per Ports and cables) second (1 Hz). Terrestrial Trunked TETRA is a professional mobile radio and 380 MHzMegaHertz (MHz) NFMNarrowband PSKPhase-Shift 25 kHzKiloHertz Radio (TETRA) two-way transceiver (walkie-talkie) 10^6 Hz -- 430 MHz Frequency Keying (kHz) 10^3 Hz Worldwide TETRA.jpg specification MegaHertz (MHz) 10^6 Hz Modulation Tetrapol is a digital professional mobile radio standard for digital voice and data 10 kHzKiloHertz communication used by public safety and 370 MHzMegaHertz (MHz) NFMNarrowband GMSKGaussian (kHz) 10^3 Hz -- Tetrapol military throughout Europe. Tetrapol was 10^6 Hz -- 400 MHz Frequency Minimum-Shift 12.5 kHzKiloHertz Europe Tetrapolnew.jpg originally developed by Matra Communication MegaHertz (MHz) 10^6 Hz Modulation Keying (kHz) 10^3 Hz (Currently part of EADS/Airbus Group) in France in the 1980's. Thales SALAMANDRE (using HFXL waveform) uses up to 16 separate contiguous or not-contiguous USBUpper Side Band narrowband HFHigh Frequency (3-30 MHz) channels Modulation (Radio, for high datarate military and tactical referring to Thales SALAMANDRE communications. Operates on a modified STANAG 3 MHzMegaHertz (MHz) 10 reception and PSKPhase-Shift 150 kHzKiloHertz (HFXL) NATO Standardization Agreement (STANAG), ^6 Hz -- 30 MHzMegaHertz modulation mode) Keying (kHz) 10^3 Hz Worldwide Salamandre.png defines processes, procedures, terms, and (MHz) 10^6 Hz Universal Serial conditions for common military or technical Bus (Computer, procedures or equipment between the member referring to USB countries of the North Atlantic Treaty Ports and cables) Organization (NATO).-4539 platform. USBUpper Side Band Modulation (Radio, Thales Systeme 3000 Skyhopper is the frequency referring to PSKPhase-Shift 2 kHzKiloHertz Thales Systeme 3000 hopping mode of the Systeme 3000 Modem. 1.5 MHzMegaHertz (MHz) reception and Keying, MFSK (kHz) 10^3 Hz -- ALE psk mfsk thales Skyhopper Characterized by it's very short bursts and 10^6 Hz -- 30 MHz modulation mode) Multiple Frequency 2.6 kHzKiloHertz Worldwide skyhopper.jpg frequency hopping behavior. MegaHertz (MHz) 10^6 Hz Universal Serial Shift-Keying (kHz) 10^3 Hz Bus (Computer, referring to USB Ports and cables) USBUpper Side Band Modulation (Radio, Voice Scrambling mode from Thales Systeme 3000 referring to PSKPhase-Shift Thales Systeme 3000 HFHigh Frequency (3-30 MHz) Modem. Has 1.5 MHzMegaHertz (MHz) reception and Keying, MFSK 3 kHzKiloHertz Voice Scrambler characteristic PSKPhase-Shift Keying and MFSK 10^6 Hz -- 30 MHz modulation mode) Multiple Frequency (kHz) 10^3 Hz Worldwide Scrambled thales.jpg Multiple Frequency Shift-Keying bursts at the MegaHertz (MHz) 10^6 Hz Universal Serial Shift-Keying beginning and end of a voice transmission. Bus (Computer, referring to USB Ports and cables) Total Access A first generation analogue mobile cellular 872 MHzMegaHertz (MHz) NFMNarrowband FMFrequency Communication System system which operated in the United Kingdom and 10^6 Hz -- 960 MHz Frequency Modulation, FSK 25 kHzKiloHertz Europe NoWaterfallFiller.png (TACS) a handful of other countries in Europe. It is MegaHertz (MHz) 10^6 Hz Modulation Frequency-Shift (kHz) 10^3 Hz also the EU's form of AMPS. Keying 315 MHzMegaHertz (MHz) AMAmplitude 40 kHzKiloHertz Toyota Car Key Wireless entry rolling code car key. 10^6 Hz -- 433 MHz Modulation (kHz) 10^3 Hz Worldwide ToyotaCarFob Waterfall.png MegaHertz (MHz) 10^6 Hz UK AMAmplitude Modulation Data System (UK-AMDS) was developed by BBC Research and Development in 1984 as a way to transmit low bitrate data on BBC Radio 4's LFLow Frequency (30-300 kHz) 85 HzHertz (Hz), UK AM Data System AMAmplitude Modulation carrier. Elements of 198 kHzKiloHertz (kHz) SSBSingle-sideband AMAmplitude unit of frequency, United (UK-AMDS) this system were adopted into ETSIEuropean 10^3 Hz modulation Modulation, PSK defined as one Kingdom BBC teleswitch 2.png Telecommunications Standards Institute. An Phase-Shift Keying cycle per second (1 independent, not-for-profit, standardization Hz). organization in the telecommunications industry in Europe, developing global telecommunications standards.'s AMSS. USBUpper Side Band Modulation (Radio, 9.104 MHzMegaHertz referring to UK GOV/MIL "WinDRM51" variant. Unknown purpose, (MHz) 10^6 Hz -- 13.451 reception and OFDMOrthogonal 2.5 kHzKiloHertz UK GOV MIL WINDRM51 But link between UK & Cyprus has been found MHzMegaHertz (MHz) 10^6 modulation mode) Frequency-Division (kHz) 10^3 Hz Europe UK WINDRM51.jpg some years ago. Hz Universal Serial Multiplexing Bus (Computer, referring to USB Ports and cables) USBUpper Side Band BPSKBinary Modulation (Radio, Phase-Shift Keying VARA HFHigh Frequency (3-30 MHz) is a referring to (1 bit per symbol) sound-card mode used to exchange traffic 1.8 MHzMegaHertz (MHz) reception and , 4-8PSK8-Phase 2.75 kHzKiloHertz VARA HF (Mostly Winlink traffic) on the HFHigh 10^6 Hz -- 54 MHz modulation mode) Phase-Shift Keying (kHz) 10^3 Hz Worldwide VARA HF.PNG Frequency (3-30 MHz) bands MegaHertz (MHz) 10^6 Hz Universal Serial (3 bits per Bus (Computer, symbol), 16-32QAM, referring to USB FSKFrequency-Shift Ports and cables) Keying Two-way 100 BdBaud (unit symbol Bd) is the unit USBUpper Side Band for symbol rate or modulation rate in symbols Modulation (Radio, per second./500 HzHertz (Hz), unit of 2.755 MHzMegaHertz referring to 650 HzHertz (Hz), frequency, defined as one cycle per second (1 (MHz) 10^6 Hz -- 12.165 reception and FSKFrequency-Shift unit of frequency, VEZHA-S Hz). Russian Telegraph system, attributed name MHzMegaHertz (MHz) 10^6 modulation mode) Keying defined as one Russia RUS FSK COMMS.jpg VEZHA-C (Tower-S), usage claimed to be by Hz Universal Serial cycle per second (1 Russian Ministry of Communications (MinComSvyaz Bus (Computer, Hz). Rossii). Possible usage in meteorology under referring to USB callsign RWD59. Ports and cables) VDL-M2 (Known as VDL2 or VDLM2) is a means of sending information between aircraft and ground stations. VDL Mode 2 is the only VDL mode being 117.975 MHzMegaHertz VHF Data Link - Mode 2 implemented operationally to support Controller (MHz) 10^6 Hz -- 137 MHz RAW PSKPhase-Shift 25 kHzKiloHertz Worldwide VDL2 Waterfallthmb.jpg (VDL-M2) Pilot Data Link Communications (CPDLC). An MegaHertz (MHz) 10^6 Hz Keying (kHz) 10^3 Hz extension to the AVLC protocol permits ACARS over AVLC (AOA) transmissions. VDL-M2 is implemented by Eurocontrol. USBUpper Side Band VISEL, also known as YUG-MIL 120.9 BdBaud (unit Modulation (Radio, symbol Bd) is the unit for symbol rate or referring to 400 HzHertz (Hz), modulation rate in symbols per second., FEC 3 MHzMegaHertz (MHz) 10 reception and FSKFrequency-Shift unit of frequency, VISEL Forward Error Correction-12, and YUG-MIL FEC ^6 Hz -- 30 MHzMegaHertz modulation mode) Keying defined as one Europe VISEL.jpg Forward Error Correction, is a synchronous (MHz) 10^6 Hz Universal Serial cycle per second (1 teleprinter system used by the former Yugoslav Bus (Computer, Hz). military. No longer active today. referring to USB Ports and cables) USBUpper Side Band Modulation (Radio, VOICE is a MFSKMultiple Frequency Shift-Keying referring to 200 HzHertz (Hz), mode developed by Patrick Lindecker F6CTE in 3 MHzMegaHertz (MHz) 10 reception and MFSKMultiple unit of frequency, VOICE 2006, and was derived from Olivia. It was ^6 Hz -- 30 MHzMegaHertz modulation mode) Frequency defined as one Worldwide VOICE.png designed for blind or partially sighted amateur (MHz) 10^6 Hz Universal Serial Shift-Keying cycle per second (1 radio operators. Bus (Computer, Hz). referring to USB Ports and cables) Vaisala RS41-SG 400 MHzMegaHertz (MHz) NFMNarrowband GFSKGaussian 4.8 kHzKiloHertz Weather Balloon Weather balloon (radiosonde) telemetry data. 10^6 Hz -- 406 MHz Frequency Frequency-Shift (kHz) 10^3 Hz Worldwide Rs41 radiosonde wf.png (Radiosonde) MegaHertz (MHz) 10^6 Hz Modulation Keying Vaisala RS92-SGP 400.15 MHzMegaHertz NFMNarrowband GFSKGaussian Weather Balloon Weather balloon (radiosonde) telemetry data. (MHz) 10^6 Hz -- 405.99 Frequency Frequency-Shift 10 kHzKiloHertz Worldwide VaisalaRS92SGP.png (Radiosonde) MHzMegaHertz (MHz) 10^6 Modulation Keying (kHz) 10^3 Hz Hz Vehicle Counting Data transmitted from a vehicle counting system 915 MHzMegaHertz (MHz) FSKFrequency-Shift 10 MHzMegaHertz Flinders Uni Vehicle System installed in car parks. The data is frequency 10^6 Hz -- 925 MHz RAW Keying (MHz) 10^6 Hz Australia -- Counting System hopping over 10 MHzMegaHertz (MHz) 10^6 Hz. MegaHertz (MHz) 10^6 Hz Waterfall.PNG USBUpper Side Band Modulation (Radio, MCT-201 is a Miniature Pendant PowerCode referring to Wireless Transmitter by Visonic. It is designed 315 MHzMegaHertz (MHz) reception and PWMPulse Width 5 kHzKiloHertz Visonic MCT-201 for emergency and control applications in 10^6 Hz -- 868 MHz modulation mode) Modulation (kHz) 10^3 Hz Worldwide MCT-201.jpg wireless security systems, and home automation MegaHertz (MHz) 10^6 Hz Universal Serial and remote control systems. Bus (Computer, referring to USB Ports and cables) USBUpper Side Band Modulation (Radio, referring to 6 HzHertz (Hz), 136 kHzKiloHertz (kHz) reception and MFSKMultiple unit of frequency, WSPR Weak Signal Propagation Reporter. 10^3 Hz -- 1,296.5 MHz modulation mode) Frequency defined as one Worldwide WSPR.png MegaHertz (MHz) 10^6 Hz Universal Serial Shift-Keying cycle per second (1 Bus (Computer, Hz). referring to USB Ports and cables) USBUpper Side Band Modulation (Radio, QAMQuadrature WinDRM is an amateur radio derivation of the referring to Amplitude 2.2 kHzKiloHertz Digital Radio Mondiale (DRM) digital voice and 14.236 MHzMegaHertz reception and Modulation, OFDM (kHz) 10^3 Hz -- WinDRM data transmission protocol. Also known as (MHz) 10^6 Hz modulation mode) Orthogonal 2.4 kHzKiloHertz Worldwide Waterfall-20221028003713.jpg HamDRM, and Digital SSTV. Universal Serial Frequency-Division (kHz) 10^3 Hz Bus (Computer, Multiplexing referring to USB Ports and cables) The freezer temperature is requested by a master at regular intervals, and the slave Wireless Temperature attached to a freezer responds. The 434 MHzMegaHertz (MHz) Chirp Spread 150 kHzKiloHertz Sensor communication format appears to be a variant of 10^6 Hz Spectrum (kHz) 10^3 Hz Australia WTS.png chirp spread spectrum, (although the spectrum it consumes is quite narrow at ~150 kHz KiloHertz (kHz) 10^3 Hz). USBUpper Side Band Yachta or Yakhta (Russian for 'Boat') T-219 is Modulation (Radio, an analogue voice scrambler. It is unique in referring to Yachta T-219 Voice that an FSKFrequency-Shift Keying sync signal 3 MHzMegaHertz (MHz) 10 reception and FSKFrequency-Shift 2.7 kHzKiloHertz Scrambler is transmitted in the middle of the main ^6 Hz -- 30 MHzMegaHertz modulation mode) Keying (kHz) 10^3 Hz Russia Yachta.jpg signal, with the scrambled voice stream split (MHz) 10^6 Hz Universal Serial above and below the FSKFrequency-Shift Keying Bus (Computer, signal. referring to USB Ports and cables) System Fusion is Yaesu's digital voice/data 144 MHzMegaHertz (MHz) 4FSK4-Level Yaesu System Fusion protocol for amateur radio, using the AMBE+2 10^6 Hz -- 450 MHz FMFrequency Frequency Shift 16 kHzKiloHertz Worldwide YSFopt.png vocoder on a C4FMContinuous 4-Level Frequency MegaHertz (MHz) 10^6 Hz Modulation Keying (kHz) 10^3 Hz Modulation signal. USBUpper Side Band Modulation (Radio, The Yugoslavian 16-Tone Modem, also known as referring to PSKPhase-Shift Yugoslavian 16-Tone YUG-Diplo 16-Tone, is a 16 tone OFDMOrthogonal 3 MHzMegaHertz (MHz) 10 reception and Keying, OFDM 2.1 kHzKiloHertz Modem Frequency-Division Multiplexing PSKPhase-Shift ^6 Hz -- 30 MHzMegaHertz modulation mode) Orthogonal (kHz) 10^3 Hz Europe YUG 16 tone.jpg Keying modem used in former Yugoslavia for (MHz) 10^6 Hz Universal Serial Frequency-Division diplomatic use. No longer used today. Bus (Computer, Multiplexing referring to USB Ports and cables) USBUpper Side Band The Yugoslavian 20-Tone Modem, also known as Modulation (Radio, YUG-MIL 20-Tone and YUG Diplo 20-Tone, is a 20 referring to PSKPhase-Shift Yugoslavian 20-Tone tone OFDMOrthogonal Frequency-Division 3 MHzMegaHertz (MHz) 10 reception and Keying, OFDM 2.2 kHzKiloHertz Modem Multiplexing PSKPhase-Shift Keying modem used ^6 Hz -- 30 MHzMegaHertz modulation mode) Orthogonal (kHz) 10^3 Hz Europe Yug Mil.jpg in former Yugoslavia for military and (MHz) 10^6 Hz Universal Serial Frequency-Division diplomatic use. No longer used today. Bus (Computer, Multiplexing referring to USB Ports and cables) Pages in category "Digital" The following 200 pages are in this category, out of 338 total. (previous 200) (next 200) G cont. * Global System for Mobile Communications C cont. (GSM) * Globe Wireless HF * CIS-20 Network * CIS-300 * GM2100 (R&S) * CIS-3000 * GMDSS Digital 1 * CIS-36-50 Selective Calling * CIS-40.5 * GOES Data * 145.870MHz * CIS-48 Colection System * 160.282.000 in Berlin, * CIS-50-50 (DCS) Germany * CIS-8181 * GOES High Rate * 184.320 MHz Unknown, * CLOUDSAT Information Crystal Ocillator? Downlink Transmission * 1G Advanced Mobile * CLOVER 2000 (HRIT) Phone System (AMPS) * CLOVER 2500 * Golay Paging * CLOVER-I (GSC) 2 * CLOVER-II * Graw DFM-06 * Codan Data Modem Weather Balloon * 2G CDMA (IS-95) * Coherent BPSK (Radiosonde) * Coherent CW * Graw DFM-17 3 * CompuLert (Radiosonde) * Contestia * 3G WCDMA * Coquelet H * CORIOLIS 4 Tactical Direct * HC-265 Voice Broadcast Scrambler * 4G LTE Network * CRY2001 Voice * HC-ARQ Scrambler * HD Radio (AM) 5 * CV-786 * HD Radio (FM) * Hellschreiber * 5G "New Radio" D * High Frequency cellular network - Data and Voice Downlink * D-STAR Link (HFDVL) * Datawell Buoy HF * High Frequency 8 Link Data Link (HFDL) * DB0UPB research * HNG-FEC * 802.11n beacon * HORYU-4 Telemetry * 8PSK * DCF77 * Hyundai Mobis * Delfi-C3 RKE-4F16 Key Fob A Telemetry * Denso 4EA Key I * Accurate positioning Fob by Low Frequencies * Differential * ICARUS (ALF) Global (International * Adam H Image Capable Positioning Cooperation for Digital Mode (AHICDM) System (DGPS) Animal Research * Adam H Secure * Digital Audio Using Space) Communication (AHSC) Broadcasting * Improved * AFSK Paging Link (DAB) Automatic Link * Aircraft * Digital Audio Set-up (ALIS-2) Communications Broadcasting * Inmarsat IsatM2M Addressing and Plus (DAB+) * Inmarsat-D(D+) Reporting System * Digital Mobile Downlink (ACARS) Radio (DMR) * Integrated * ALE-400 * Digital Digital Enhanced * Alps Electric Co. Multimedia Network (iDEN) TWB1U840 Key Fob Broadcasting * IRA-ARQ * Amplitude Modulation (DMB) * Iranian Navy QPSK Signalling System * Digital NBTV Modem (AMSS) * Digital Private * Is this Packet * AMSAT-P3D Mobile Radio * IsatData Pro * ARGOS A-DCS (dPMR) * ISCAT * ARQ-E(E3) * Digital Radio * ISM Band device * ARQ-M2-242 Mondiale (DRM) * ISM Band Weather * ARQ-M2-342 * Digital Radio sensor * ARQ-M4-242 Mondiale Plus * Israeli * ARQ-M4-342 (DRM+) Intelligence VFT * ARQ-N * Digital Video * Israeli Navy * ARQ6-90 Broadcasting -- Hybrid Modem * ARQ6-98 Terrestrial (188-110 MOD) * ASCII (DVB-T) * Israeli VFT * ATSC 3.0 Broadcast * Digital-Coded * ATSC Broadcast Squelch (DCS) J * Autocab * Distress * Automated Train Radiobeacon * Japan Military Control System (ATCS) (Digital) 8-Channel FSK * Automatic Dependent * DominoEX * Japanese Slot Surveillance-Broadcast * DominoF Machine (XSL) (ADS-B) * DUP-ARQ * JS8 * Automatic * DUP-ARQ-2 * JT65 Identification System * DUP-FEC-2 * JT6M (AIS) * JT9 * Automatic Link E * JTMS Establishment (2G ALE) * Automatic Link * EIA K Establishment (3G ALE * ELEKTRO-L GGAK-E ARCS) Direct Broadcast * KG-STV * Automatic Link Set-up * Emergency Alert * Kiwi (ALIS) System (EAS) * Automatic Packet * Emergency L Reporting System Managers Weather (APRS) Information * Lentus * Automatic Transmitter Network (EMWIN) * LEOSAR Downlink Identification System - Repeater * Link-11 (ATIS) * End of Train * Link-11 (UHF) * AUTOSPEC Device (EOTD) * Lockheed Martin * Enhanced Digital LMS-6 B Access (Radiosonde) Communications * Logic Trunked * Binary Interchange of System (EDACS) Radio (LTR) Information and * European Radio * Logitech(R) Signaling (BIIS) Message System Wireless * Bluetooth (ERMES) Mouse+Keyboard * BlueWalker-3 Wideband Signal Telemetry F * LoRa * BR-6028 * Low Rate Picture * Factory Transmission C installed alarm (LRPT) system Land * LTE Uplink * California Smart-Meter Rover Discovery * CAS-4A/B Satellite 4 M Telemetry * FEC-A * CCIR 493-4 Selcall * Federal Signal * M17 RF Protocol * CCITT Modem-MSK * Marconi Selenia * CDMA2000 (3G physical * FLEX 25-Tone Modem layer) * FreeDV COHPSK * Mazda SKE126-01 * Chinese 4+4 * Frequency Key Fob * CHIP Division * Mazielka (X06) * CHU Multiplex * MD-522 * CIS 3x100 VFT Digital Voice * MD-674 * CIS 3x144 VFT (FDMDV) * MDC-4800 * CIS 3xBaudot-50 VFT * FSK441 * MDC1200 * CIS MFSK-16 XPA2 * FSQ * Meteomodem M10 * CIS MFSK-20 XPA * FT4 Weather Balloon * CIS MFSK-68 * FT8 (Radiosonde) * CIS OFDM HDR Modem * FUNcube-1 * Meteomodem * CIS-11 Telemetry PilotSonde * CIS-112 Weather Balloon * CIS-12 G * METEOR-M High * CIS-128 Resolution * CIS-1280 * G-TOR Picture * CIS-14 * Gandalf MDT Transmission * CIS-16 * Glenayre Paging (HRPT) Link * METOP Advanced * Global High Resolution Positioning Picture System (GPS) Transmission (AHRPT) * Microsonde Mark II Weather Balloon - LORAN-C signal (Radiosonde) (previous 200) (next 200) Retrieved from "https://www.sigidwiki.com/index.php?title= Category:Digital&oldid=11055" Navigation menu Views * Category * Discussion * Edit * History Personal tools * Create account * Log in Navigation * Home Page * All Identified Signals * Unidentified Signals * Recent changes * Random page * Add a Signal Entry * RTL-SDR Blog * Artemis 2 Search [ ] [Go] [Search] Frequencies * VLF * LF * MF * HF * VHF * UHF Categories * Military * Aviation * Satellite * Radar * Marine * Navigation * Common/Active * Rare/Inactive * Analogue * Digital * Amateur Radio * Trunked Radio * Numbers Stations * Commercial * Utility * Time Tools * What links here * Related changes * Special pages * Printable version * Permanent link * Page information * Browse properties [INS: :INS] Powered by MediaWiki Powered by Semantic MediaWiki * This page was last modified on 19 January 2016, at 17:16. * Privacy policy * About Signal Identification Wiki * Disclaimers