Guard band

{{About|the use of guard bands in radio communication|computer graphics|Guard-band clipping|magnetic tape recording|Helical scan}}{{Short description|Technique used to minimize interference between frequency bands}}

In telecommunications, a guard band is a narrow, intentionally unused frequency band that is placed between adjacent frequency bands to minimize interference between them.{{cite web |url=http://www.techopedia.com/definition/7494/guard-band-telecommunications |title = What is a Guard Band? - Definition from Techopedia}} It is used in frequency-division multiplexing. Guard bands exist in both wired and wireless communications.

A guard band can also be licensed for use by low-powered devices such as a private mobile phone network.{{cite web |url=http://www.privatemobilenetworks.com/technology/guard-band-spectrum/ |title = Guard Band Spectrum « Private Mobile Networks}}