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

The outlook is supported by resilient demand from new-generation smartphone launches, a major North American customer’s strong shipment guidance for December and ongoing expansion of capabilities for complex radio frequency modules, he says.

From The Wall Street Journal

But dense forest and tree canopies made cellphones and conventional radio frequencies useless.

From Los Angeles Times

These satellite arrays have detected radio frequency waves from a supernova 11,000 light years away.

From BBC

The meters use a longwave radio frequency to switch between peak and off peak rates, and can also be used to turn heating and hot water systems on and off.

From BBC

The radio frequencies that would be used were secret.

From Salon

Related Words

• high frequency