less than 1 minute read

Citizens band radio

Citizens band radio (CB), radio with a short range. These radios operate on frequencies reserved for private use and transmit signals from 5 mi (8 km) in the city to 20 mi (32 km) in rural areas. Frequencies used for CB radios also operate remote controlled devices, such as garage doors and model airplanes.

See also: Radio.

Additional topics

21st Century Webster's Family Encyclopedia21st Century Webster's Family Encyclopedia - Children's literature to Clumber spaniel