radio frequency

British  

noun

1. 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

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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.

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Example Sentences

Its fiscal 3Q revenue declined mainly on weaker radio frequency segment demand, he notes.

From The Wall Street Journal • May 26, 2026

Skymagic, the UK company behind the show, blamed a change in radio frequency for the glitch and said none of the drones fell outside safety boundaries.

From BBC • May 26, 2026

Kinsella expects these initiatives to draw attention to Infleqtion’s inertial sensing business, particularly its new Quantum Spectrum product line, which is designed to replace traditional antennas and analog receivers with atom-based radio frequency hardware.

From Barron's • May 20, 2026

Within days of the killing of Iranian Supreme Leader Ayatollah Ali Khamenei on Feb. 28, cryptic messages were broadcast globally on a new shortwave radio frequency.

From Los Angeles Times • Mar. 10, 2026

You point it toward some fairly broad region of the sky, and it records how much energy, in a particular radio frequency, is coming down to Earth.

From "Cosmos" by Carl Sagan

Related Words

• high frequency