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frequency modulation
(sound, radio) the use of a modulating wave to vary the instantaneous frequency of a carrier wave
frequency channel
The band used by one customer, among the given total frequency spectrum.
frequency assignment
(telecommunications) An authorization, given by an administration, for a radio station to use a radio frequency or radio frequency channel under specified conditions.
frequency assignments
frequency channels
radio-frequency
radio frequency
(uncountable) That part of the electromagnetic spectrum, between about 3 kHz and 300 MHz, within which radio waves are transmitted. / (countable) A frequency in this range.
frequency-shift keying
A form of frequency modulation in which digital information is transmitted through discrete changes of the frequency of a carrier wave.
very high frequency
(broadcasting, radio, television) The frequency area from 30 MHz through 300 MHz, commonly used for radio and TV broadcasting.