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English definition of “bandwidth”

bandwidth

noun [C, usually singular]     /ˈbændwitθ/ COMMUNICATIONS
the amount of information that can be sent between computers , over a phone line , using radio signals , etc. in a particular amount of time : As prices for telecommunications services fall , demand for high bandwidth services is increasing .
the range of frequencies (= numbers of waves produced in a particular amount of time ) used to send information over a distance using phone lines or radio signals : Text messages require less bandwidth than phone calls .
→ See also channel capacity
(Definition of bandwidth noun from the Cambridge Business English Dictionary © Cambridge University Press)
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