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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. Personal radio service - Wikipedia

    en.wikipedia.org/wiki/Personal_radio_service

    A personal radio service is any system that allows individual 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. The power output, antenna size, and technical ...

  5. Etherstack - Wikipedia

    en.wikipedia.org/wiki/Etherstack

    Etherstack is a provider of wireless communications software for the Professional/Land Mobile Radio and defense industries in Europe, Asia, and North America.Their products encompass wireless protocol stacks, IP-based communication networks, cryptographic communications, Software Defined Radio (SDR), and Software Communications Architecture (SCA) compatible waveforms.

  6. 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 ...

  7. PMR446 - Wikipedia

    en.wikipedia.org/wiki/PMR446

    PMR446 (Private Mobile Radio, 446 MHz) is a licence-exempt service in the UHF radio frequency band and is available for business and personal use in most countries throughout the European Union. [1] PMR446 is typically used for small-site, same-building and line of sight outdoor activities. Equipment used ranges from consumer-grade to ...

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