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  2. Citizens band radio - Wikipedia

    en.wikipedia.org/wiki/Citizens_band_radio

    South Africa has a 23 channel AM / SSB 29 MHz CB allocation (called "29 Megs" or "29 MHz CB") from 29.710 to 29.985 MHz in 12.5 kHz steps. South Africa also permits use of standard CB channels 19–27 (27.185–27.275 MHz) with AM / SSB permitted. Many radios sold in South Africa feature both the 27 MHz and 29 MHz bands.

  3. Shortwave bands - Wikipedia

    en.wikipedia.org/wiki/Shortwave_bands

    Illegal "freeband" CB activity can be heard from 25 to 28 MHz, steps with operators generally using AM below 26.965 (US and European CB channel 1) and SSB above 27.405 (US and European CB channel 40). CB radio in the UK can be heard from 27.60125 to 27.99125 MHz in 10 kHz steps as well as the lower 26.965 to 27.405 MHz allocation.

  4. Personal radio service - Wikipedia

    en.wikipedia.org/wiki/Personal_radio_service

    Two frequency bands available: VHF-FM (142–143 MHz VHF CB) and UHF-FM (476–477 MHz UHF CB). Indonesia allows 40 channels from 476.425 MHz to 477.400 MHz at 25 kHz channel spacing. It is the same channel plan as the original 40 channel Australia/New Zealand UHF CB allocation. Indonesia also has a 60-channel VHF-FM service available from 142. ...

  5. Amateur radio frequency allocations - Wikipedia

    en.wikipedia.org/wiki/Amateur_radio_frequency...

    Five 2.8 kHz-wide channels are available in the U.S., centered on 5.332, 5.348, 5.368, 5.373, and 5.405 MHz. Since most radios in SSB mode display the (suppressed) carrier frequency, in USB mode the dial frequencies would all need to be set 1.5 kHz lower. Voice operation is generally in upper sideband mode, which is mandatory in the U.S. . The ...

  6. CB radio in the United Kingdom - Wikipedia

    en.wikipedia.org/wiki/CB_radio_in_the_United_Kingdom

    The UK channels that were legalised on 2 November 1981 were on two blocks of frequencies: 40 channels on the 27 MHz band and 20 channels on the 934 MHz band, both of which used FM (frequency modulation) and both unique to the UK. Equipment conforming with the 27 MHz CB27/81 Bandplan was identified as "CB27/81". In 1987 40 additional frequencies ...

  7. 10-meter band - Wikipedia

    en.wikipedia.org/wiki/10-meter_band

    In the late 1970s, the impending ban by the FCC of the sale of older 23 channel CB equipment that did not meet more stringent restrictions on newer, 40 channel units, meant that a surplus of 23 channel CB gear was on the market. This was a windfall for amateur radio enthusiasts, allowing access to fairly inexpensive radios which could easily be ...

  8. Citizens Broadband Radio Service - Wikipedia

    en.wikipedia.org/wiki/Citizens_Broadband_Radio...

    Citizens Broadband Radio Service (CBRS) is a 150 MHz wide broadcast band of the 3.5 GHz band (3550 MHz to 3700 MHz) in the United States. [1] In 2017, the US Federal Communications Commission (FCC) completed a process which began in 2012 to establish rules for commercial use of this band, while reserving parts of the band for the US Federal Government to limit interference with US Navy radar ...

  9. Lafayette Radio Electronics - Wikipedia

    en.wikipedia.org/wiki/Lafayette_Radio_Electronics

    Many were dedicated types with special functions, such as VHF receivers for police and fire channels built into a CB radio. The company's best selling products were often shortwave receivers, parts, and portable radios. In the 1960s, many Lafayette brand radios were rebranded Trio-Kenwood sets. A significant share of 1960s and 1970s vintage ...

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