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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. List of amateur radio software - Wikipedia

   en.wikipedia.org/wiki/List_of_amateur_radio_software

   Proprietary. macOS. MacLoggerDX is a full-featured amateur radio contact logger for macOS with Transceiver control, Rotor control, Callbook lookup, QSL handling (Hardcopy / LoTW / eQSL / Club Log), DX Cluster and spotting, and basic contesting support. It also works with WSJT-X to control the transceiver while making digital contacts, etc.

4. 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 ...

5. 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 ...

6. M17 (amateur radio) - Wikipedia

   en.wikipedia.org/wiki/M17_(amateur_radio)

   M17 is a digital radio modulation mode developed by Wojciech Kaczmarski (amateur radio call sign SP5WWP) et al. M17 is primarily designed for voice communications on the VHF amateur radio bands, and above. The project received a grant from the Amateur Radio Digital Communications in 2021 and 2022.

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 ...

8. 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 ...

9. Contact manager - Wikipedia

   en.wikipedia.org/wiki/Contact_manager

   Contact manager. A contact manager is a software program that enables users to easily store and find contact information, such as names, addresses, and telephone numbers. They are contact-centric databases that provide a fully integrated approach to tracking all information and communication activities linked to contacts.