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  2. Citizens band radio - Wikipedia

    en.wikipedia.org/wiki/Citizens_band_radio

    Cobra 50 WX ST Handheld CB Radio. Citizens band radio ( CB radio) is a land mobile radio system, a system allowing short-distance one-to-many bidirectional voice communication among individuals, using two-way radios operating near 27 MHz (or the 11-m wavelength) in the high frequency or shortwave band. Citizens band is distinct from other ...

  3. Citizen (app) - Wikipedia

    en.wikipedia.org/wiki/Citizen_(app)

    Citizen is a mobile app that sends users location-based safety alerts in real time. It allows users to read updates about ongoing reports, broadcast live video, and leave comments. The app uses radio antennas installed in major cities to monitor 911 communications, with employees filtering the audio to generate alerts.

  4. CB radio in the United States - Wikipedia

    en.wikipedia.org/wiki/CB_radio_in_the_United_States

    In the United States, the Citizens Band Radio Service (CBRS), commonly called citizens band radio (CB radio), is one of several personal radio services defined under Title 47 of the Code of Federal Regulations, Part 95. [1] It is intended to be a two-way voice communication service for use in personal and business activities of the general ...

  5. 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. 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 ...

  6. Citizen Kane - Wikipedia

    en.wikipedia.org/wiki/Citizen_Kane

    Citizen Kane. Citizen Kane is a 1941 American drama film directed by, produced by, and starring Orson Welles. Welles and Herman J. Mankiewicz wrote the screenplay. The picture was Welles's first feature film . Citizen Kane is frequently cited as the greatest film ever made. [5]

  7. Citizens' Radio - Wikipedia

    en.wikipedia.org/wiki/Citizens'_Radio

    Jyutping. Man4 gaan1 din6 toi4. Citizens' Radio is a radio station in Hong Kong established by pro-democracy camp figure Tsang Kin Shing ( 曾健成 ). The station is run as a non-profit organization. It started trial broadcasting on 3 October 2005 on 102.8 MHz FM. The regular broadcasting hours are 7:00 pm–12:00 pm from Monday to Friday.

  8. Citizen (band) - Wikipedia

    en.wikipedia.org/wiki/Citizen_(band)

    Citizen performing at Slim's in San Francisco, California, March 2016. Citizen is an American rock band from Southeast Michigan and Northwest Ohio that formed in 2009. [1] The band currently consists of Mat Kerekes (vocals), brothers Nick (lead guitar) and Eric Hamm (bass), Mason Mercer (rhythm guitar), and Ben Russin (drums).

  9. CB radio in the United Kingdom - Wikipedia

    en.wikipedia.org/wiki/CB_radio_in_the_United_Kingdom

    CB radio in the United Kingdom. Citizens band radio (often shortened to CB radio) is a system of short-distance radio communications between individuals on a selection of 40 channels within the 27- MHz (11 m) band. In the United Kingdom, CB radio was first legally introduced in 1981, but had been used illegally for some years prior to that.