Radio frequency

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radio frequency

  1. (Abbreviated RF.) The number of oscillations per second of the electric and magnetic fields in the radio portion of the electromagnetic spectrum, generally that portion between 104 and 1012 Hz; specifically, the frequency of a given radio carrier wave.

  2. In radio or radar, pertaining to a signal at the transmitted or received frequency, as opposed to a signal translated to a different frequency (IF signal) or detected (video signal).