Citizens band radio (also known as CB radio) is, in many countries, a system of short-distance radio communications between individuals on a selection of 40 channels within the 27-MHz (11 m) band. Citizens band is distinct from the FRS, GMRS, MURS, Amateur Radio Service (ham radio). In many countries, CB operation does not require a license, and (...
Found on
http://en.wikipedia.org/wiki/Citizens_band_radio
short-range radio voice communications system used chiefly by private individuals in motor vehicles, homes, offices, and other locations where ...
Found on
http://www.britannica.com/eb/a-z/c/88
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