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radio frequency
noun
Abbreviations: rf. RF.a frequency or band of frequencies that lie in the range 10 kilohertz to 300000 megahertz and can be used for radio communications and broadcasting See also frequency band
( as modifier )
a radio-frequency amplifier
the frequency transmitted by a particular radio station
radio frequency
A frequency of electromagnetic radiation in the range at which radio signals are transmitted, ranging from approximately 3 kilohertz to 300 gigahertz. Many astronomical bodies, such as pulsars, quasars, and possibly black holes, emit radio frequency radiation.
Example Sentences
The meters use a longwave radio frequency to switch between peak and off peak rates, and can also be used to turn heating and hot water systems on and off.
The radio frequencies that would be used were secret.
A contracted helicopter team followed the radio frequency emitted by the collars and essentially chased the wolves down, sometimes netting them or darting them from the sky, according to Hunnicutt.
That doubling-up involved communicating with airplane and helicopter pilots on two separate radio frequencies, the Times reported.
But in northern England and Scotland, meters instead rely on radio frequencies and no such fix is available.
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