Pronunciation: (rā"dē-ō-frē'kwun-sē), [key]
1. the frequency of the transmitting waves of a given radio message or broadcast.
2. a frequency within the range of radio transmission, from about 15,000 to 1011 hertz. Abbr.: RF, rf Also,ra'dio fre'quency.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.