Signal Name
stringlengths
3
66
Description
stringlengths
31
908
βŒ€
Frequency
stringlengths
6
27
βŒ€
Mode
stringclasses
25 values
Modulation
stringlengths
2
27
βŒ€
Bandwidth
stringlengths
4
19
βŒ€
Location
stringclasses
31 values
Sample Audio
nullclasses
2 values
Waterfall image
null
Ghadir' OTH Radar
Ghadir', is an Iranian over the horizon radar, part of Iran's Sepehr Phased Radar System.
28 MHz β€” 29.7 MHz
AM
Pulse
60 kHz β€” 1 MHz
Iran
null
null
OTH-SW' OTH Radar
OTH-SW is a Chinese over-the-horizon radar. It is known to operate with pulse repetition frequencies of 43 Hz and 86 Hz.
6 MHz β€” 30 MHz
USB
FMCW
40 kHz β€” 80 kHz
China
null
null
2006 Kia Grand Carnival Keyfob
Original remote of KIA Carnival (2006).
433.92 MHz
NFM
FSK
100 kHz
Worldwide
null
null
29B6 'Kontayner' OTH Radar
29B6, nicknamed 'ΠšΠΎΠ½Ρ‚Π΅ΠΉΠ½Π΅Ρ€' (Kontayner), is a Russian over the horizon radar. It is currently very active in Europe. The radar uses 150 antenna masts with data transmission systems, transmitters and receivers, a power station, and control buildings. It can detect high-altitude and low-altitude aircraft and missiles at very long ranges.
6.1 MHz β€” 32 MHz
USB
FMOP, Pulsed
3.5 kHz β€” 28 kHz
Russia
null
null
3G WCDMA
WCDMA, known primarily as 3G mobile, is a family of 3G data protocols used to send voice, text and signaling data to smart phones and other wireless devices.
824 MHz β€” 2,100 MHz
RAW, AM
QAM, QPSK, CDMA
4.2 MHz
null
null
null
4G LTE Network
Long Term Evolution Network. Also known as 4G LTE Data and Evolved Universal Terrestrial Radio Access (E-UTRA). Data service for wireless consumer devices.
450 MHz β€” 3,500 MHz
RAW
OFDM, PSK, QAM
1.4 MHz β€” 20 MHz
Worldwide
null
null
5G "New Radio" cellular network - Downlink
5G cellular, also known by 3GPP '5G' NR (new radio), etc. is a newly released cellular standard that allows for backwards compatibility with 4G LTE, and will allow for several gigabits of connection speeds, (up to 10-100Gb) per second. This is the 600 MHz downlink band for the new standard.
600 MHz β€” 50,000 MHz
AM
UFMC, GFDM, OFDM, FBMC
100 MHz
Worldwide
null
null
77Ya6 'Voronezh' radar
Voronezh (Π’ΠΎΡ€ΠΎΠ½Π΅ΠΆ) is a Russian radar family capable of aircraft and ballistic missile monitoring.
150 MHz β€” 440 MHz
AM
FMCW
2 MHz
Russia
null
null
802.11n
IEEE 802.11n-2009, commonly shortened to 802.11n, is a wireless-networking standard that uses multiple antennas to increase data rates. The Wi-Fi Alliance has also retroactively labeled the technology for the standard as Wi-Fi 4.
2,412 MHz β€” 5,865 MHz
FM
BPSK, QPSK, 16QAM, 64QAM
20 MHz β€” 40 MHz
Worldwide
null
null
8PSK
8PSK is an amateur digital UTF8-text and data mode designed by John Phelps KL4YFD in 2014. It's goal is to provide medium speed data using generic FM and SSB radios.
3 MHz β€” 3,000 MHz
USB,FM
8PSK
125 Hz β€” 1.2 kHz
Worldwide
null
null
AIST 2D
Aist 2D is a Russian microsatellite developed and designed by a group of Samara Aerospace University students, postgraduates, and scientists in cooperation with TsSKB-Progress.
435.315 MHz
NFM
PM/PCM
10 kHz
Worldwide
null
null
AKKORD-SS-PD
Akkord-SS-PD (ΠΠšΠšΠžΠ Π”-Π‘Π‘-ΠŸΠ”), also known as β€œAkkord-165” is a Russian datalink used during the invasion of Ukraine. Akkord is a rather old family of datalink protocols, and Akkord-165 is the most recent version.
7.051 MHz
USB
MSK
1.2 kHz
Russia
null
null
ALE-400
ALE-400 is an amateur version of the 2G ALE standard. It is adapted to the demands of amateur radio emergency traffic handling.
1.806 MHz β€” 144.163 MHz
USB
MFSK
400 Hz
Worldwide
null
null
ARGOS A-DCS
Some polar weather satellites from the METOP and POES series carry ARGOS A-DCS (Advanced Data Collection System), which is a system to collect data from sondes and other remote land or air-based instrumentation.
465.99 MHz
USB
PSK
54 kHz
Worldwide
null
null
ARQ-E(E3)
ARQ-E, also known as ARQ-1000 Duplex or ARQ-1000D, is a synchronous full-duplex ARQ system. ARQ-E3 is a variant that uses a different alphabet encoding. Mainly used by French Military Forces. Stations commonly idled for hours on end.
3 MHz β€” 30 MHz
USB
FSK
85 Hz β€” 850 Hz
Worldwide
null
null
ASCII
ASCII (also known as ITA5 or IRA) is an amateur radio telegraphy signal using the ITA-5 alphabet.
3 MHz β€” 450 MHz
NFM, USB
FSK
300 Hz
Worldwide
null
null
ATSC 3.0 Broadcast
The Advanced Television Systems Committee (ATSC) 3.0 standard (marketed as NextGen TV) is a revised set of video broadcasting specifications that outlines improvements to spectrum efficiency.
null
RAW
OFDM, QAM
6 MHz
United States, South Korea, Jamaica
null
null
ATSC Broadcast
Advanced Television Systems Committee Television. 8VSB Modulation
54 MHz β€” 700 MHz
RAW
8VSB
6 MHz
United States
null
null
Adam H Image Capable Digital Mode (AHICDM)
AHICDM is a simple, slow and reliable modulation protocol that allows binary data in standard ASCII to be sent over audio.
null
Digital
null
null
United Kingdom
null
null
Adam H Secure Communication (AHSC)
AHSC uses a randomly generated One-Time-Pad to secure communications between transmitter and receiver. Used for unscheduled transferring of data due to the architecture of the protocol / mode which makes decoding the message impossible if the transmission was not listened to from the beginning.
null
USB
null
null
United Kingdom
null
null
Aircraft Communications Addressing and Reporting System (ACARS)
ACARS is a digital datalink system for the transmission of short messages between aircraft and ground stations via airband radio or satellite.
129 MHz β€” 137 MHz
AM
MSK
5 kHz
Worldwide
null
null
Amplitude Modulation (AM)
Long range commercial broadcast and international radio. Also used for aviation communications.
153 kHz β€” 137 MHz
AM
AM
10 kHz
Worldwide
null
null
Aprizesat
Data downlink from Aprizesat microsatellites. Aprizesat constellation consists of 12 Active satellites, These provide a worldwide M2M asset tracking service and relay AIS packets.
400.5 MHz β€” 400.65 MHz
USB
GMSK
5 kHz
Worldwide
null
null
Aqua Direct Broadcast (DB)
A direct broadcast sent in the X band by the NASA Aqua satellite for reception by end users.
8,160 MHz
RAW
OQPSK
15 MHz
Worldwide
null
null
Autocab
This is an example of the Autocab Media Data Terminals used by cab companies all over the world.
163.375 MHz
NFM
PSK
12.5 kHz
United Kingdom
null
null
Automated Train Control System (ATCS)
Automated Train Control System (ATCS), specifically ATCS Spec. 200, is a standardized communication system for railroads designed to ensure safety by monitoring locations of trains and locomotives, providing analysis and reporting, and automation of track warrants and similar orders.
896.888 MHz β€” 936.988 MHz
NFM
FSK
12.5 kHz
United States
null
null
Automatic Dependent Surveillance-Broadcast (ADS-B)
ADS-B is used by aircraft as an alternative to secondary radar. It broadcasts GPS position (latitude, longitude), pressure altitude, callsign, as well as track and ground speed.
978 MHz β€” 1,090 MHz
RAW
PPM
2 MHz
Worldwide
null
null
Automatic Identification System (AIS)
Automatic Identification System (AIS) is used by ships to broadcast position and vessel information.
161.975 MHz β€” 162.025 MHz
NFM
GMSK
25 kHz
Worldwide
null
null
Automatic Link Establishment (2G ALE)
Automatic Link Establishment, 2G ALE (Official designation MIL-STD-188-141A and/or MIL-STD-188-141B (Appendix A)) is the current standardized method of establishing connections between radio operators. Also known as FED-STD 1045, FED-STD 1049, and STANAG 5066.
3.068 MHz β€” 28.313 MHz
USB
MFSK
2 kHz
Worldwide
null
null
Automatic Link Establishment (3G ALE ARCS)
3G ALE (ARCS) is the next generation of ALE (Designated by MIL-STD-188-141B (Appendix C)). Also known as STANAG 4538, although MIL 188-141 does not provide Fast LSU.
3 MHz β€” 30 MHz
USB
PSK
3 kHz
Worldwide
null
null
Automatic Link Set-up (ALIS)
Automatic Link Set-up (ALIS) is an automatic link system used by Rohde & Schwarz modems.
3 MHz β€” 30 MHz
USB
FSK
270 Hz
Worldwide
null
null
Automatic Packet Reporting System (APRS)
Packet system for real time data communications. Used by hams for location reporting, weather stations etc.
144.39 MHz β€” 432.5 MHz
NFM
AFSK
12.5 kHz
Worldwide
null
null
Automatic Picture Transmission (APT)
Automatic Picture Transmission (APT), also known as NOAA-GEOSAT, is an analog image transmission mode used by the NOAA weather satellites and some Russian weather satellites to transmit satellite weather photos.
137.1 MHz β€” 137.913 MHz
null
AM
34 kHz
Worldwide
null
null
Automatic Transmitter Identification System (ATIS)
ATIS systems are identification tags used by inland commercial waterway traffic on rivers in Europe. The FSK burst is appended at the end of every voice transmission by the vessel operator.
30 MHz β€” 800 MHz
NFM
FSK
12 kHz
Europe
null
null
Automatic Vehicle Monitoring (AVM)
Proprietary FFSK data network used for public transport telemetry. It is primarily used to track and control vehicles, and facilitates PTT-ID for communication with tram drivers.
507.225 MHz β€” 517.875 MHz
NFM
FFSK
7.5 kHz
Australia
null
null
BPC
BPC is the callsign of the Chinese low-frequency time broadcasting station, located near Shangqiu, Henan in China.
68.5 kHz
USB
AM
1 Hz
China
null
null
BPM
BPM is a time signal transmitted by the Chinese Academy of Sciences, broadcasting from CAS's National Time Service Center in Pucheng County, China.
2.5 MHz β€” 15 MHz
AM
AM
3.5 kHz
China
null
null
Binary Interchange of Information and Signaling (BIIS)
BIIS (also known as BIIS 1200) is an ETSI protocol for a digital selective calling method with the added benefit of extended capability of transmitting data that exceeds what could be done with old 5-tone analog calling methods like CCIR and ZVEI.
35 MHz β€” 800 MHz
NFM
FFSK
6 kHz
Europe
null
null
BlueWalker-3 Wideband Telemetry
Wideband telemetry signal from BlueWalker-3 experimental satellite.
2,245 MHz
RAW
BPSK
1 MHz
Worldwide
null
null
Bluetooth
Bluetooth is a wireless technology standard for exchanging data over short distances from fixed and mobile devices and building personal area networks (PANs). Invented by telecom vendor Ericsson in 1994, it was initially conceived as a wireless alternative to RS-232 data cables. It can connect several devices, overcoming synchronization problems.
2,400 MHz β€” 2,485 MHz
null
GFSK, DPSK
1 MHz
Worldwide
null
null
Broadband Global Area Network (BGAN)
Proprietary satellite network owned and operated by Inmarsat that provides cellular 3G equivalent data and voice services to subscribers.
1,525 MHz β€” 1,559 MHz
WFM
QPSK
200 kHz
Worldwide
null
null
CAS-4A/B Satellite Telemetry
CAS-4A/B Satellite 4.8 kbps GMSK Telemetry Downlink.
145.835 MHz β€” 145.89 MHz
NFM
GMSK
10 kHz
Worldwide
null
null
CCIR 493-4 Selcall
CCIR 493-4 Selcall, also known as HF Selcall, Australian Selcall, and Codan 8580 Selcall, is a Selcall standard developed in Australia for the HF band. Used by Amateur radio and Codan Modems.
3 MHz β€” 30 MHz
USB
FSK
300 Hz
Worldwide
null
null
CDMA2000 (3G physical layer)
CDMA is another standard for Cellular Devices with GSM being the first encrypted standard.
450 MHz β€” 1,900 MHz
RAW
QPSK
1.23 MHz
United States
null
null
CDMA420
null
410 MHz β€” 425 MHz
AM
QPSK
2.5 MHz
Poland
null
null
CHU
CHU is a time signal radio station operated by the Institute for National Measurement Standards of the National Research Council of Canada.
3.33 MHz β€” 14.67 MHz
USB
FSK, OOK
2.25 kHz
Canada
null
null
CIS MFSK-16 XPA2
Enigma Designation XPA2, also known as MFSK-16, CIS MFSK-14, and CIS MFSK-16, is a 14-tone MFSK signal said to have origin from Russian Intelligence and Foreign Ministry stations.
3 MHz β€” 30 MHz
USB
MFSK
250 Hz
Russia
null
null
CIS MFSK-16 XPB
Enigma designation XPB is a custom 16-tone MFSK mode said to have origin from Russian Intelligence and Foreign Ministry stations.
4.4 MHz β€” 20 MHz
USB
MFSK
2.8 kHz
Russia
null
null
CIS MFSK-20 XPA
Enigma Designation XPA, also known as MFSK-20, CIS MFSK-17, and CIS MFSK-20, is a 17-tone MFSK signal said to have origin from Russian Intelligence and Foreign Ministry stations.
3 MHz β€” 30 MHz
USB
MFSK
800 Hz
Russia
null
null
CIS MFSK-21-13
An MFSK data mode that is believed to originate from Russian sources. Changes between MFSK-21, MFSK-13 and different speeds.
4.834 MHz β€” 16.292 MHz
USB
MFSK
3.3 kHz
Russia, Worldwide
null
null
CIS MFSK-68
New Russian MFSK Modem that uses 68 MFSK (5 tones at a time) as well as a 9000 Bd 8-PSK insert every second which spans 10 kHz wide. This signal is often found attributed with CIS-3000, where CIS-3000 acts as the ALE for this signal as well as CIS-128.
7.659 MHz β€” 18.28 MHz
USB
MFSK, PSK
10 kHz
Russia
null
null
CIS OFDM HDR Modem
Russian OFDM HDR (High Data Rate) Modem. Has three main modes: CIS-45, CIS-60, and CIS-93, corresponding to the number of OFDM tones in the signal.
3 MHz β€” 30 MHz
USB
PSK, OFDM
2.8 kHz β€” 3 kHz
Russia
null
null
CIS-112
CIS-112 OFDM signal. Has a preamble of 7 Tones (not including carrier), then 56 tones before entering into the 112 tone data transmission.
3 MHz β€” 30 MHz
USB
PSK, OFDM
3 kHz
Russia
null
null
CIS-12
CIS-12 (Also known as MS5, FIRE, AT-3004D, or AT-3104D) is a 12-tone PSK Russian military multi-channel modem.
7.026 MHz β€” 14.6 MHz
USB
PSK
3.1 kHz
Russia
null
null
CIS-128
CIS-128 is an OFDM mode that uses 128 channels, with one β€œoff” channel in the center, so the signal is divided into two 64 channel parts.
3 MHz β€” 30 MHz
USB
PSK, OFDM, QAM
3.1 kHz β€” 6.1 kHz
Russia
null
null
CIS-3000
CIS-3000 is an 8-PSK Data Modem protocol. Its source is traced to Russia. 3000 is for its 3000 Baud speed (maximum speed is technically 9000 bps).
3 MHz β€” 30 MHz
USB
PSK
3.4 kHz
Russia
null
null
CIS-36-50
CIS-36-50, also known as BEE-36 and T-600, is an FSK modem used by the Russian Navy.
3 MHz β€” 30 MHz
USB
FSK
300 Hz β€” 550 Hz
Russia
null
null
CIS-40.5
CIS-40.5 (Also known as T-206) is an FSK signal used in Russian Military Communications Equipment. Used as a telegraph channel, encrypted.
3 MHz β€” 30 MHz
USB
FSK
600 Hz
Russia
null
null
CIS-48
CIS-48 is an interesting data mode with a unique format. It uses a 4 DBPSK Preamble with a constant tone and changing OFDM modes as it transmits data. Origin is suspected to be in Russia.
5.017 MHz β€” 17.289 MHz
USB
PSK
2 MHz β€” 3 MHz
Russia
null
null
CIS-50-50
CIS-50-50 is very similar to CIS-36-50. The main difference is in the available baud rates and frequency shifts used.
3 MHz β€” 30 MHz
USB
FSK
150 Hz β€” 630 Hz
Russia
null
null
CLOUDSAT Downlink
Dump to European ground station from the CLOUDSAT cloud profiling satellite. CLOUDSAT has a CPR (Cloud Profiling Radar) that operates at 94 GHz to create a vertical sounding (cross-section) of the atmosphere.
2,217.5 MHz
RAW
BPSK
2 MHz
Europe
null
null
CLOVER 2000
CLOVER 2000 is an upgrade to CLOVER-II, a digital data protocol developed by Ray Petit and HAL Communications. Sometimes referred to as XCLOVER or 8 Tone CLOVER.
3 MHz β€” 30 MHz
USB
PSK, QAM
2 kHz
Worldwide
null
null
CLOVER 2500
CLOVER 2500 is a new upgrade to CLOVER-2000, adding 25% more speed to the CLOVER system.
3 MHz β€” 30 MHz
USB
PSK, QAM
2.5 kHz
Worldwide
null
null
CLOVER-II
CLOVER-II is the advancement of CLOVER-I, with 4 tone pulses and a max data rate of 750 bps. Also known as Q-CLOVER and QUAD-CLOVER.
3 MHz β€” 30 MHz
USB
PSK, QAM
500 Hz
Worldwide
null
null
CODAR
CODAR (Coastal Ocean Dynamics Applications Radar) is used for near-surface ocean monitoring, such as waves and water current.
4.438 MHz β€” 42.5 MHz
USB
ILFM
50 kHz
Worldwide
null
null
COFDMTV
COFDMTV is an easy-to-use picture transmission mode based on Coded Orthogonal Frequency-Division Multiplexing (COFDM).
null
SSB,FM,AM
COFDM, 8-PSK, QPSK
1.6 kHz β€” 3.2 kHz
null
null
null
CORIOLIS Tactical Direct Broadcast
Direct Broadcast digital signal from the CORIOLIS satellite, primarily carries data from the WindSat instrument.
2,221.5 MHz
RAW
BPSK
2 MHz
Worldwide
null
null
California Smart-Meter
This is a signal from a Californian Electricity 'Smart Meter'. Each house is now fitted with one of these, and they are strong - typically 50 dB above the atmospheric noise level.
902 MHz β€” 928 MHz
null
null
15 kHz
United States
null
null
Chilean Naval Time Signal
Naval VHF time signal found in Chilean Coast, in Vina Del Mar
148.125 MHz
NFM
FM
12.5 kHz
Chile
null
null
China digital radio (CDR)
Convergent Digital Radio (CDR) or China Digital Radio is an in-band-on-channel (IBOC) digital radio broadcasting format used in China. It can be found in multiple bandwidth configurations with different modulation formats.
106.1 MHz
USB
OFDM
100 kHz β€” 500 kHz
China
null
null
Chinese 'Foghorn' OTH radar
A Chinese over the horizon radar, known as "foghorn" among amateur radio operators. Not much is known about it.
6 MHz β€” 29 MHz
USB
FMCW
10 kHz
China, Worldwide
null
null
Chinese 4+4
Chinese 4+4, also known as 4+4 or PRC 4+4, is a multi-carrier transmission mode. It used by Chinese Diplomatic services with most traffic originating from Beijing, China.
3 MHz β€” 30 MHz
USB
PSK
2.5 kHz
China
null
null
Chinese Firedrake Jammer
Commercial AM Broadcast jamming signal that plays Chinese folk songs to jam specific radio stations in Asia from being received by listeners.
6 MHz β€” 18 MHz
AM
AM
10 kHz
China
null
null
Chinese Multitonal Jammer
Chinese radio jamming signals intended to disrupt/censor broadcast communications.
9.045 MHz
USB
PPM
10 kHz
Worldwide
null
null
Codan Data Modem
Codan Data Modulation for Codan Data Modems. Has 3 distinct signals: Data, ALE, and SELCAL. This modulation is used in Codan's 9001, 9002, 3012 and 3212 modems.
3 MHz β€” 30 MHz
USB
PSK, FSK
400 Hz β€” 2.56 kHz
Worldwide
null
null
CompuLert
Low speed FSK telemetry to monitor and control warning sirens that are used to warn the public of threats such as tsunamis, severe weather, chemical spills and civil emergencies.
453.375 MHz
NFM
FSK
5 kHz
Worldwide
null
null
Contestia
Contestia, developed by Nick Fedoseev (UT2UZ) in 2005, is a digital mode derived from Olivia. It aims to deliver a compromise of speed and performance.
3 MHz β€” 30 MHz
USB
MFSK
150 Hz β€” 2 kHz
Worldwide
null
null
Continuous Tone-Coded Squelch System (CTCSS)
CTCSS, also known as Private Line and Channel Guard, is a low continuous tone transmitted on NFM voice transmissions that is used to squelch and manage transmissions on a given frequency.
30 MHz β€” 800 MHz
NFM
CW
5 kHz β€” 30 kHz
Worldwide
null
null
Cuban Jammer
Cuban jammers jam the frequencies of Radio MartΓ­, Radio Republica and occasionally WRMI radio.
5.98 MHz β€” 13.82 MHz
DSB
null
10 kHz
Cuba
null
null
D-STAR
D-STAR is a digital voice protocol used by ham radio. Is sometimes routed over the internet for international communications.
145.67 MHz
NFM
GMSK
6.25 kHz
Worldwide
null
null
DB0UPB research beacon
The is a research beacon for training neuronal networks.
3.6 MHz β€” 14.101 MHz
LSB, USB
MFSK, LSB, USB
2.7 kHz
Germany
null
null
DCF77
DCF77 is a German longwave time signal radio station based at 77.5 kHz. DCF uses an AM modulated carrier and phase modulation sidebands to transmit its time signal.
77.5 kHz
USB
AM, PSK
1.3 kHz
Germany
null
null
Datawell Buoy HF Link
Datawell Buoy HF Links transmitted by Datawell Marine measurement buoys, measuring ocean conditions, temperature, and wave current.
25.5 MHz β€” 45 MHz
USB
FSK, MFSK
200 Hz β€” 400 Hz
Worldwide
null
null
Denso 4EA Key Fob
Denso Wireless Key Fob 4EA built by Denso Corporation for General Motors auto brands Chevrolet and Buick. Used on Chevrolet Camaro and Malibu from 2016+. Used on Buick Lacrosse 2017+.
433.92 MHz
AM
AM, ASK
15 kHz
Worldwide
null
null
Differential Global Positioning System (DGPS)
Differential GPS (DGPS), also known as M823 DGPS and SC-104 DGPS, is a supplementary correction signal used by GPS receivers to increase the accuracy of GPS based positioning.
283.5 kHz β€” 2.95 MHz
USB
MSK
150 Hz β€” 250 Hz
Worldwide
null
null
Digisonde
Digisondes are ionosondes that use pulsed signal that can gather more radar information than a traditional ionosonde sweep.
500 kHz β€” 30 MHz
RAW
Pulsed
30 kHz
Worldwide
null
null
Digital Audio Broadcasting (DAB)
DAB is an audio broadcasting standard containing a multiplex of digital radio stations in the signal.
174 MHz β€” 239 MHz
AM
OFDM
1.536 MHz
Worldwide
null
null
Digital Audio Broadcasting Plus (DAB+)
DAB+ is a medium of delivering broadcast radio, containing multiple stations in a single multiplex.
174 MHz β€” 230 MHz
null
OFDM
1.536 MHz
Worldwide
null
null
Digital Dispatch Systems MDT
Digital Dispatch Systems Mobile Data Terminal is a dispatching system used by taxi and private transportation companies.
152 MHz β€” 854.788 MHz
NFM
PSK
8 kHz
United States
null
null
Digital Enhanced Cordless Telecommunications (DECT)
DECT is a ETSI standard for short range communications, mainly cordless phones. It uses a 10 channel/24 slots in a TDMA FDD structure. Audio sample is 100 times slower than real for listening purposes.
1,880 MHz β€” 1,900 MHz
USB
GFSK
1.6 MHz
Worldwide
null
null
Digital Mobile Radio (DMR)
Digital Mobile Radio (DMR) is an open digital mobile radio standard defined by ETSI and used in commercial products around the world. Mostly used by private network and local police, can be encrypted. Used in MOTOTRBO products.
66 MHz β€” 860 MHz
NFM
4FSK
12.5 kHz
Worldwide
null
null
Digital Multimedia Broadcasting (DMB)
Digital Multimedia Broadcasting (DMB) is a digital radio transmission technology developed in South Korea as part of the national IT project for sending multimedia such as TV, radio and datacasting to mobile devices such as mobile phones, laptops and GPS navigation systems.
174 MHz β€” 216 MHz
null
DQPSK, OFDM
1.536 MHz
South Korea
null
null
Digital NBTV
Method for transmitting digital images via radio, similar to WinDRM or KG-STV
3 MHz β€” 470 MHz
SSB, FM
BPSK
2.5 kHz
Worldwide
null
null
Digital Private Mobile Radio (dPMR)
dPMR is an open, non-proprietary trunked radio standard developed by ETSI, published under ETSI TS 102 658. Supports both data and digital voice transmission.
149.019 MHz β€” 446.2 MHz
NFM
4FSK
6.25 kHz
Worldwide
null
null
Digital Radio Mondiale (DRM)
Digital Radio Mondiale (DRM) is a digital commercial broadcasting mode used to deliver FM-comparable sound quality to shortwave radio.
531 kHz β€” 26.06 MHz
USB
QAM, OFDM
4.5 kHz β€” 20 kHz
Worldwide
null
null
Digital Radio Mondiale Plus (DRM+)
DRM+ is a VHF implementation of DRM primarily for the FM broadcast band.
47 MHz β€” 230 MHz
null
OFDM
100 kHz
Worldwide
null
null
Digital Video Broadcasting β€” Terrestrial (DVB-T)
Digital Video Broadcasting β€” Terrestrial (DVB-T) is a digital broadcast television format used in Europe and in many other countries in the world.
174 MHz β€” 786 MHz
USB
QAM, OFDM, QPSK
6 MHz β€” 8 MHz
Worldwide
null
null
Digital-Coded Squelch (DCS)
Digital in-band signalling used to squelch and manage transmissions on a given frequency.
433 MHz β€” 446 MHz
NFM
FSK
null
Worldwide
null
null
Distress Radiobeacon (Digital)
Digital Distress Radiobeacons (EPIRB's, PLB's and ELT's) are emergency radio beacons used for search and rescue operations to locate a vessel, plane, or person in distress.
406 MHz
NFM
PSK
1.4 kHz
Worldwide
null
null
Dual Tone Multi Frequency (DTMF)
DTMF is a signaling mode used for a variety of purposes. It's most known for telephony dialing, but is in use for many different applications such as DTMF paging for DTMF-enabled VHF/UHF radios.
30 MHz β€” 800 MHz
NFM
MFSK
3.3 kHz
Worldwide
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