CB radio


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CB radio:

see radioradio,
transmission or reception of electromagnetic radiation in the radio frequency range. The term is commonly applied also to the equipment used, especially to the radio receiver.
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CB radio

(Citizen's Band radio) The frequency band of 40 channels for public radio transmission in the 27 MHz range. CB radio uses the same frequencies for sending and receiving on each channel, which is why only one person can talk at the same time (half duplex transmission). With a range of approximately five miles, CB radios were popular with truck drivers in the 1970s and 1980s until mostly giving way to cellphones. See ISM band.
References in periodicals archive ?
Yet although license statistics clearly show the dramatic growth of CB radio during the mid-1970s, they are not the best indicator of true growth because of high rates of noncompliance.
Other features that make Cobra CB radios the preferred companion for professional drivers include Talk Back controls to adjust the desired amount of modulation talk back that is present at the speaker; a channel indicator displaying channel selections in cool blue illumination; Delta Tune to clarify incoming signals; and adjustable Dynamike(R) boost, which increases the microphone's sensitivity for increased voice clarity.
The new NightWatch line of CB radios will be available in May 1999 at the following suggested retail prices: 25 NW ST, $149.
Headquartered in Chicago, Cobra Electronics Corporation designs and markets consumer electronics products, including CB radios, telecommunications products and safety/radar detection systems and Safety Alert(TM) receivers for consumers worldwide and Safety Alert(TM) transmitters for use in domestic law enforcement, fire, emergency medical services, road construction and public utility vehicles.
Elite CB Radios offer a rugged, powerful construction, the
Barjan sells over 10,000 products, including CB radios and antennas sold under the barjan(R), Diesel and Wilson brand names, cables and accessories, replacement lights and lenses, car and truck waxes and polishes, chrome, audio cassettes, VHS video tapes and DVDs, books on tape, paperback books, software products, and a variety of other trucking and general merchandise.
Barjan sells over 9,000 products, including CB radios and antennas sold under the barjan(R), Diesel and Wilson brand names, cables and accessories, replacement lights and lenses, car and truck waxes and polishes, chrome, audio cassettes, VHS video tapes and DVDs, books on tape, paperback books, software products, and a variety of other trucking and general merchandise.
Midland Consumer Radio has been a major manufacturer/marketer of CB radios and other consumer electronics products for more than thirty years.
Uniden America Corporation, a North American subsidiary of Uniden Corporation, manufactures and markets pagers, radar detectors, cordless telephones, CB radios, scanners, cellular telephones, two-way radios, business telecommunications systems, satellite receivers and marine electronics.