The agent in the security room repeats this message to those at the debate site, listening on the “Mike” radio frequency.
radio frequency ra·di·o frequency (rā'dē-ō)
A frequency that lies in the range within which radio waves may be transmitted, from about 10 kilohertz per second to about 300,000 megahertz.
|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.