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The Family Radio Service (FRS) is an improved walkie-talkie radio system authorized in the United States since 1996. This personal radio service uses channelized frequencies around 462 and 467 MHz in the ultra high frequency (UHF) band.
All three of the PMR446 channel plans occupy the same European-harmonized 446.0 MHz to 446.2 MHz frequency band. One cannot legally use the FRS radio in Europe or PMR446 in the U.S. The 446 MHz band is allocated to amateur radio in the United States.
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] Singapore, [3] and Norway [4].
Frequencies for Digital PMR 446 are from 446.103125 to 446.196875 MHz with 6.25 kHz channel spacing in 4FSK mode and a power output of 0.5 watt. An unofficial citizens band radio club in Malaysia is the "Malaysia Boleh Citizen Radio Group", known as "Mike Bravo" ( Malaysia Boleh ). [ 36 ]
UHF CB is a class-licensed citizen's band radio service authorised by the governments of Australia, Europe, Malaysia, New Zealand, Singapore, Vanuatu, and in the PMR446, UHF 477 MHz band. [1] UHF CB provides 77 channels , including 32 channels (16 output, 16 input) allocated to repeater stations.
GMRS radios are typically handheld portable (walkie-talkies) much like Family Radio Service (FRS) radios, and they share a frequency band with FRS near 462 and 467 MHz. Mobile and base station-style radios are available as well, but these are normally commercial UHF radios as often used in the public service and commercial land mobile bands ...
Originally founded by Richard H. Palmquist, with the assistance of Harold Camping [2] and Lloyd Lindquist as fellow members of the initial Board of Directors, Family Radio began obtaining FM broadcasting licenses on commercial frequencies in 1959, [2] and by 2006, was ranked 19th among top broadcast companies in number of radio stations owned. [3]
Class A and B were eventually replaced by the Family Radio Service (FRS) and General Mobile Radio Service (GMRS). What was initially Class C, is now known as the Radio Control Radio Service and now includes spectrum at 72 and 76 MHz in addition to the original 27-MHz channels interspersed among voice channels as well as CB channel 23. [2]