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2. Digital mobile radio - Wikipedia

   en.wikipedia.org/wiki/Digital_mobile_radio

   Digital mobile radio. Digital mobile radio (DMR) is a digital radio standard for voice and data transmission in non-public radio networks. It was created by the European Telecommunications Standards Institute (ETSI), [1] and is designed to be low-cost and easy to use. DMR, along with P25 phase II and NXDN are the main competitor technologies in ...

3. Professional mobile radio - Wikipedia

   en.wikipedia.org/wiki/Professional_mobile_radio

   Professional mobile radio (also known as private mobile radio (PMR) in the UK) are person-to-person two-way radio voice communications systems which use portable, mobile, base station, and dispatch console radios. PMR systems are based on such standards as MPT-1327, TETRA, APCO 25, and DMR which are designed for dedicated use by specific ...

4. MPT-1327 - Wikipedia

   en.wikipedia.org/wiki/MPT-1327

   MPT 1327[1] is an industry standard for trunked radio communications networks. First published in January 1988 by the British Radiocommunications Agency, and is primarily used in the United Kingdom, Europe, South Africa, Australia, New Zealand and China. Many countries had their own version of numbering/user interface, including MPT1343 in the ...

5. Digital private mobile radio - Wikipedia

   en.wikipedia.org/wiki/Digital_private_mobile_radio

   dPMR or digital private mobile radio, is a common air interface for digital mobile communications. dPMR is an open, non-proprietary standard that was developed by the European Telecommunications Standards Institute (ETSI) and published under the reference ETSI TS 102 658. A simplified version of the dPMR protocol intended for licence-free ...

6. Software-defined radio - Wikipedia

   en.wikipedia.org/wiki/Software-defined_radio

   Software-defined radio (SDR) is a radio communication system where components that conventionally have been implemented in analog hardware (e.g. mixers, filters, amplifiers, modulators / demodulators, detectors, etc.) are instead implemented by means of software on a computer or embedded system. [1] While the concept of SDR is not new, the ...

7. Etherstack - Wikipedia

   en.wikipedia.org/wiki/Etherstack

   Etherstack (ASX:ESK) Etherstack is a provider of wireless communications software for the land mobile radio and defense industries in Europe, Asia, and North America. Their products include wireless protocol stacks, IP -based communication networks, software-defined radio, and Software Communications Architecture (SCA)-compatible waveforms.

8. Project 25 - Wikipedia

   en.wikipedia.org/wiki/Project_25

   Project 25 (P25 or APCO-25) is a suite of standards for interoperable digital two-way radio products. P25 was developed by public safety professionals in North America and has gained acceptance for public safety, security, public service, and commercial applications worldwide. [1] P25 radios are a direct replacement for analog UHF (typically FM ...

9. Personal radio service - Wikipedia

   en.wikipedia.org/wiki/Personal_radio_service

   Personal radio service. A personal radio service is any system that allows individuals to operate radio transmitters and receivers for personal purposes with minimal or no special license or individual authorization. Personal radio services exist around the world and typically use light-weight walkie talkie portable radios.