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  2. General Mobile Radio Service - Wikipedia

    en.wikipedia.org/wiki/General_Mobile_Radio_Service

    The General Mobile Radio Service (GMRS) is a land-mobile FM UHF radio service designed for short-range two-way voice communication and authorized under part 95 of the US FCC code. It requires a license in the United States, but some GMRS compatible equipment can be used license-free in Canada. The US GMRS license is issued for a period of 10 years.

  3. Personal radio service - Wikipedia

    en.wikipedia.org/wiki/Personal_radio_service

    As with FRS/GMRS and PMR446, the use of tone squelch systems such as CTCSS/DCS is encouraged. Like the PMR446, LPD433, Japan's 421–422 MHz SLPR service and KDR444 services, use of these frequencies in countries such as the United States is illegal without an amateur radio license as they fall within the 420–450 MHz 70 cm ham radio allocation.

  4. Family Radio Service - Wikipedia

    en.wikipedia.org/wiki/Family_Radio_Service

    Hybrid FRS/GMRS consumer radios have been introduced that have 22 channels. Before May 2017, radios had been certified for unlicensed operation on the 7 FRS frequencies, channels 8–14, under FRS rules. [4] Prior to the 2017 revision, FCC rules required a GMRS license to operate on channels 1–7 using more than 0.5 watts. [2]

  5. Talk:General Mobile Radio Service/Archive 1 - Wikipedia

    en.wikipedia.org/wiki/Talk:General_Mobile_Radio...

    7 More hybrid FRS-GMRS radios do have repeater pairs. 1 comment. 8 source reliability. 10 comments. 9 Things that crop up when you put "FCC Enforcement GMRS" into Google.

  6. Unlicensed broadcasting - Wikipedia

    en.wikipedia.org/wiki/Unlicensed_broadcasting

    Legal broadcast methods may include ISM bands, used legally at low power to broadcast for personal use, a video sender, used to distribute video (sometimes wireless security cameras) within a home or small business, or FM transmitters, used to transmit satellite radio or digital media players to stereo systems which have no wired input (i.e ...

  7. Land mobile radio system - Wikipedia

    en.wikipedia.org/wiki/Land_mobile_radio_system

    A land mobile radio system (LMRS) is a person-to-person voice communication system consisting of two-way radio transceivers (an audio transmitter and receiver in one unit) which can be stationary (base station units), mobile (installed in vehicles), or portable (handheld transceivers e.g. "walkie-talkies").

  8. Professional mobile radio - Wikipedia

    en.wikipedia.org/wiki/Professional_mobile_radio

    Work started on the development of the TETRA standards in 1990 and has relied on the support of the European Commission and the ETSI members. Experience gained in the development of the GSM cellular radio standard, as well as experience from the development and use of trunked radio systems has also been used to fashion the TETRA standard. In ...

  9. PMR446 - Wikipedia

    en.wikipedia.org/wiki/PMR446

    Motorola TA288 PMR446 licence-free radio Motorola TLKR T40 radio tuned to PMR channel 1. PMR446 (Private Mobile Radio, 446 MHz) is a licence-exempt service or UHF CB in the UHF radio frequency band, as personal radio service or citizens band radio, and is available for business and personal use in most countries throughout the European Union, [1] Malaysia, [2] and Singapore.