Matches in DBpedia 2015-10 for { ?s ?p "Radio frequency (RF): any of the electromagnetic wave frequencies that lie in the range extending from around 7003300000000000000♠3 kHz to 7011300000000000000♠300 GHz, which include those frequencies used for communications or radar signals. RF usually refers toelectrical rather than mechanical oscillations. However, mechanical RF systems do exist (see mechanical filter and RF MEMS).Although radio frequency is a rate of oscillation, the term "radio frequency" or its abbreviation "RF" are used as a synonym for radio – i.e., to describe the use of wireless communication, as opposed to communication via electric wires. Examples include: Radio-frequency identification ISO/IEC 14443-2 Radio frequency power and signal interface↑ ↑"@en }
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- Radio_frequency abstract "Radio frequency (RF): any of the electromagnetic wave frequencies that lie in the range extending from around 7003300000000000000♠3 kHz to 7011300000000000000♠300 GHz, which include those frequencies used for communications or radar signals. RF usually refers toelectrical rather than mechanical oscillations. However, mechanical RF systems do exist (see mechanical filter and RF MEMS).Although radio frequency is a rate of oscillation, the term "radio frequency" or its abbreviation "RF" are used as a synonym for radio – i.e., to describe the use of wireless communication, as opposed to communication via electric wires. Examples include: Radio-frequency identification ISO/IEC 14443-2 Radio frequency power and signal interface↑ ↑".