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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.
Before CB was authorized in Australia, hand-held 27-MHz "walkie-talkies" were available, which used several frequencies between the present CB channels, such as 27.240 MHz. [ 18 ] [ 19 ] By the mid-1970s, hobbyists were experimenting with handheld radios and unauthorized 23 channel American CB radios.
In the days when CB required a license, some low-powered or toy walkie-talkies were exempt because they operated within Part 15. However, in 1976, the FCC phased in a shift of these 100 mW [ 12 ] devices to the 49 MHz band, with operation on the CB frequencies to cease in 1983. [ 13 ]
The electronics kits were produced in the Jamaica facility. [1] Lafayette advertised heavily in major U.S. consumer electronics magazines of the 1960s and 1970s, particularly Audio, High Fidelity, Popular Electronics, Popular Mechanics, and Stereo Review. The company offered a free 400-page catalog filled with descriptions of vast quantities of ...
Brazil allows higher power levels than the US and most of Europe. New Zealand has two 40-channel HF CB bands available, the NZ-specific "NZ CB Band" 26.330–26.770 MHz (40 channels, AM and SSB allowed) and the standardized "mid band" 26.965–27.405 MHz (40 channels, AM and SSB allowed) for a total of 80 HF CB channels.
CB slang is the distinctive anti-language, argot, or cant which developed among users of Citizens Band radio (CB), especially truck drivers in the United States during the 1970s and early 1980s, [1] when it was an important part of the culture of the trucking industry. The slang itself is not only cyclical, but also geographical.
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