radiofrequency

/R EY1 D IY0 OW0 F R IY1 K W AH0 N S IY0/
noun
  1. 1

    That part of the electromagnetic spectrum, between about 3 kHz and 300 MHz, within which radio waves are transmitted.

  2. 2

    A frequency in this range.

adjective
  1. 1

    Of or pertaining to electromagnetic radiation in the radio frequency band of the spectrum.

Source: https://en.wiktionary.org/wiki/radio%20frequency, https://en.wiktionary.org/wiki/radio-frequency, https://en.wiktionary.org/wiki/radiofrequency