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radio frequency

British  

noun

    1. Abbreviations: rf.   RF.  a frequency or band of frequencies that lie in the range 10 kilohertz to 300 000 megahertz and can be used for radio communications and broadcasting See also frequency band

    2. ( as modifier )

      a radio-frequency amplifier

  2. the frequency transmitted by a particular radio station

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
radio frequency Scientific  

  1. 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

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Radio frequency identification technology — RFID, as it is known — is everywhere in daily civilian life.

From Seattle Times • Sep. 29, 2021

Radio frequency interference can also be a problem and communications equipment must be isolated.

From Time Magazine Archive

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.