Trunked Radio

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Color Legend
Inactive
(No longer in use)
Active
(Currently in active use)
Status
Unknown or Intermittent
Signal Name Description Frequency Mode Modulation Bandwidth Location Sample Audio Waterfall image
Digital Mobile Radio (DMR) Digital Mobile Radio (DMR) is an open digital mobile radio standard defined by ETSIEuropean Telecommunications Standards Institute. An independent, not-for-profit, standardization organization in the telecommunications industry in Europe, developing global telecommunications standards. and used in commercial products around the world. Mostly used by private network and local police, can be encrypted. Used in MOTOTRBO products. 136 MHzMegaHertz (MHz) 10^6 Hz — 860 MHzMegaHertz (MHz) 10^6 Hz NFMNarrowband Frequency Modulation 4FSK4-Level Frequency Shift Keying 12.5 kHzKiloHertz (kHz) 10^3 Hz Worldwide DMR.jpg
Digital Private Mobile Radio (dPMR) 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 in Europe, developing global telecommunications standards., published under ETSIEuropean Telecommunications Standards Institute. An 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. 149.019 MHzMegaHertz (MHz) 10^6 Hz — 446.2 MHzMegaHertz (MHz) 10^6 Hz NFMNarrowband Frequency Modulation 4FSK4-Level Frequency Shift Keying 6.25 kHzKiloHertz (kHz) 10^3 Hz Worldwide DPMR.jpg
Enhanced Digital Access Communications System (EDACS) EDACS is a trunked radio system developed by General Electric and Ericsson. EDACS was invented by General Electric in the mid-80s and is currently owned by Harris Corporation. Harris has announced that EDACS systems will no longer be supported by 2017. 160 MHzMegaHertz (MHz) 10^6 Hz — 941 MHzMegaHertz (MHz) 10^6 Hz NFMNarrowband Frequency Modulation GFSKGaussian Frequency-Shift Keying 12.5 kHzKiloHertz (kHz) 10^3 Hz — 25 kHzKiloHertz (kHz) 10^3 Hz United States EDACS96 Waterfallthmb.png
Integrated Digital Enhanced Network (iDEN) iDEN is a TDMATime Division Multiple Access-based digital wireless standard developed by Motorola. It is a type of trunked radio with cellular phone benefits. 806 MHzMegaHertz (MHz) 10^6 Hz — 869 MHzMegaHertz (MHz) 10^6 Hz NFMNarrowband Frequency Modulation QAMQuadrature Amplitude Modulation, TDMATime Division Multiple Access 18.5 kHzKiloHertz (kHz) 10^3 Hz Worldwide IDEN image.jpg
MPT 1327 MPT1327 (Ministry of Posts and Telegraph 1327) is a signaling protocol standard for analog trunked radio 162.5 MHzMegaHertz (MHz) 10^6 Hz — 800 MHzMegaHertz (MHz) 10^6 Hz NFMNarrowband Frequency Modulation FFSKFast Frequency-Shift Keying 10 kHzKiloHertz (kHz) 10^3 Hz — 25 kHzKiloHertz (kHz) 10^3 Hz Worldwide MPT1327.jpg
Motorola Type II Radio trunking control channel. 700 MHzMegaHertz (MHz) 10^6 Hz — 960 MHzMegaHertz (MHz) 10^6 Hz NFMNarrowband Frequency Modulation kHzKiloHertz (kHz) 10^3 Hz Worldwide Moto.jpg
Next Generation Digital Narrowband (NXDN) NXDN is a digital narrowband trunked radio protocol developed by ICOM Inc. and JVC KENVOOD Co. The NXDN protocol is used in commercial, business & industry, transport and Public Safety professional radio systems. NXDN has recently been recognized by the ITU as an international digital radio communications standard. 136 MHzMegaHertz (MHz) 10^6 Hz — 520 MHzMegaHertz (MHz) 10^6 Hz NFMNarrowband Frequency Modulation C4FMContinuous 4-Level Frequency Modulation 6.25 kHzKiloHertz (kHz) 10^3 Hz — 12.5 kHzKiloHertz (kHz) 10^3 Hz Worldwide NXDN.jpg
Project 25 (P25) Project 25 (P25 or APCO-25) is a trunked radio standard developed by The Association of Public Safety Communications Officials International (APCO-25) for use with public safety organizations around the world. 136 MHzMegaHertz (MHz) 10^6 Hz — 860 MHzMegaHertz (MHz) 10^6 Hz NFMNarrowband Frequency Modulation PSKPhase-Shift Keying, C4FMContinuous 4-Level Frequency Modulation 12.5 kHzKiloHertz (kHz) 10^3 Hz Worldwide P25.jpg
Terrestrial Trunked Radio (TETRA) TETRA is a professional mobile radio and two-way transceiver (walkie-talkie) specification 380 MHzMegaHertz (MHz) 10^6 Hz — 430 MHzMegaHertz (MHz) 10^6 Hz NFMNarrowband Frequency Modulation PSKPhase-Shift Keying 25 kHzKiloHertz (kHz) 10^3 Hz Europe TETRA.jpg
Tetrapol Tetrapol is a digital professional mobile radio standard for digital voice and data communication used by public safety and military throughout Europe. Tetrapol was originally developed by Matra Communication (Currently part of EADS/Airbus Group) in France in the 1980's. 370 MHzMegaHertz (MHz) 10^6 Hz — 400 MHzMegaHertz (MHz) 10^6 Hz NFMNarrowband Frequency Modulation GMSKGaussian Minimum-Shift Keying 10 kHzKiloHertz (kHz) 10^3 Hz — 12.5 kHzKiloHertz (kHz) 10^3 Hz Europe Tetrapolnew.jpg