bandwidth« BACK TO DICTIONARY INDEX
(n.) 1. The transmission capacity of an electronic medium, such as network wiring, fiber-optic cable, or microwave links. 2. The range of signal frequencies in which a piece of audio or video gear can operate. 3. The difference between high and low limiting frequencies. See the accompanying table for commonly accepted definitions of bandwidths in telecommunications and broadcasting. The public telephone system has a bandwidth of about 3 kHz.