radio frequency
nounDefinition of radio frequency
: any of the electromagnetic wave frequencies that lie in the range extending from below 3 kilohertz to about 300 gigahertz and that include the frequencies used for communications signals (as for radio and television broadcasting and cell-phone and satellite transmissions) or radar signals
Examples of radio frequency in a Sentence
Recent Examples on the Web
He was rescued in late August near Guam, after managing to send a radio frequency to a tanker named Arpeggio on Aug. 31. — Edmund Demarche, Fox News, "Indonesian teen survives 49 days adrift without paddle, but with Bible: report," 24 Sep. 2018 That's because big PC makers must also pass FCC regulations, which test for radio frequency pollution. — Gordon Mah Ung, PCWorld, "HP's Omen Mindframe and Omen Obelisk bring special features to PC gaming," 21 Aug. 2018 This is in part because the driving radio frequency field simply inputs random energy. — Chris Lee, Ars Technica, "Magnetic helium makes superfluid time crystal," 2 June 2018 The underlying method of Terenzi's work is close to radio astronomy, which observes distant quasars, galaxies, black holes, and stars by tuning into their radio frequency and listening for the radiation signatures an object emits. — John Wenz, Popular Mechanics, "Meet the Astronomer Who Listens to the Music of the Cosmos," 12 May 2015 EndyMed 3Deep, which delivers radio frequency energy more deeply (with slightly more discomfort). — Katie Becker, Harper's BAZAAR, "How To Get Gorgeous Skin at Every Age," 5 Oct. 2015 Seeber's attack works by replicating the exact transmissions—at the exact radio frequency—of ATI's legitimate communications to its sirens. — Andy Greenberg, WIRED, "This Radio Hacker Could Hijack City-Wide Emergency Sirens To Play Any Sound," 10 Apr. 2018 The city of Chicago is investigating an unauthorized audio transmission on its police radio frequencies Wednesday night. — Chicago Tribune Staff, chicagotribune.com, "Chicago investigating 'rogue radio' incident on police radio channels," 5 July 2018 Those figures are then transmitted via radio frequencies to city computers, which tally a customer's monthly water bill. — Stephen Hudak, OrlandoSentinel.com, "Apopka cuts water loss with new 'smart' meters as part of $4.6 million upgrade," 11 June 2018These example sentences are selected automatically from various online news sources to reflect current usage of the word 'radio frequency.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
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