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Radio frequency (RF) is any of the electromagnetic wave frequencies that lie in the range extending from around 20  kHz to 300  GHz, roughly the frequencies used in radio communication.[1] 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:

ReferencesEdit

  1. "Definition of RADIO FREQUENCY". Encyclopædia Britannica. n.d.. http://www.merriam-webster.com/dictionary/radio%20frequency. 
  2. "ISO/IEC 14443-2:2001 Identification cards — Contactless integrated circuit(s) cards — Proximity cards — Part 2: Radio frequency power and signal interface". Iso.org. 2010-08-19. http://www.iso.org/iso/iso_catalogue/catalogue_tc/catalogue_detail.htm?csnumber=28729. Retrieved 2011-11-08.