Showing results for "radio frequency"

• a variation of radiofrequency.

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

See Examples For:

radio frequency

Instead of rotating an object mechanically, the researchers built a radio frequency device whose properties are rapidly changed across both space and time.

From Science Daily ● Jul. 12, 2026

At the most basic level, radio frequency sensors monitor airspace, identifying drone activity the moment it enters a coverage zone.

From Los Angeles Times ● Jun. 18, 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

The parcel-shipping giant said Tuesday it has invested $100 million to date to set up radio frequency identification, or RFID, technology across its network, with plans to spend more.

From The Wall Street Journal ● Apr. 14, 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