radio frequency

noun

: 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

Similarly, coordinating the allocation of radio frequencies is essential to avoid interference and ensure the long-term sustainability of LEO networks. —Ed Fox, Forbes, 9 Oct. 2024

Law enforcement also relied too heavily on cellphones, instead of Secret Service radio frequencies, to communicate vital information. —Rebecca Santana, Los Angeles Times, 20 Sep. 2024

Researchers found no evidence that increased exposure to radio frequencies used by cell phones and other wireless electronics causes brain cancer, even in people who spent multiple hours a day glued to their mobile phones. —Becky Upham, EverydayHealth.com, 6 Sep. 2024

The review focused on cancers of the central nervous system, including the brain, and risks linked to radio frequencies emitted by mobile phones, baby monitors, broadcast antennas, and occupational exposure. —Bruce Gil, Quartz, 3 Sep. 2024

Word History

First Known Use

1915, in the meaning defined above

Kids Definition

radio frequency

noun

: any of the electromagnetic wave frequencies between about 3 kilohertz and 300 gigahertz that are used especially in radio and television transmission and in radar

Medical Definition

radio frequency

noun

: any of the electromagnetic wave frequencies that lie in a 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 transmissions) or radar signals

—often hyphenated when used before another noun

radio-frequency waves