Radio Frequency

• radio frequency

  An electromagnetic wave frequency between audio and infrared.

• extremely low frequency

  Below 3 kilohertz.

• very low frequency

  3 to 30 kilohertz.

• low frequency

  30 to 300 kilohertz.

• medium frequency

  300 to 3000 kilohertz.

• high frequency

  3 to 30 megahertz.

• very high frequency

  30 to 300 megahertz.

• ultrahigh frequency

  300 to 3000 megahertz.

• superhigh frequency

  3 to 30 gigahertz.

• extremely high frequency

  30 to 300 gigahertz.

Spectrum

• infrared spectrum

  The spectrum of infrared radiation.

• radio spectrum

  The entire spectrum of electromagnetic frequencies used for communications; includes...

• microwave spectrum

  The part of the electromagnetic spectrum corresponding to microwaves.

• ultraviolet spectrum

  The spectrum of ultraviolet radiation.

• visible spectrum

  The distribution of colors produced when light is dispersed by a prism.

Electromagnetic Radiation

• actinic radiation

  Electromagnetic radiation that can produce photochemical reactions.

• gamma radiation

  Electromagnetic radiation emitted during radioactive decay and having an extremely...

• line

  A single frequency (or very narrow band) of radiation in a spectrum.

• microwave

  A short electromagnetic wave (longer than infrared but shorter than radio waves); used...

Also contains

• light

  (physics) electromagnetic radiation that can produce a visual sensation; "the light was filtered...