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Guard band

Technique used to minimize interference between frequency bands From Wikipedia, the free encyclopedia

This article is about the use of guard bands in radio communication. For computer graphics, see Guard-band clipping. For magnetic tape recording, see Helical scan.

In telecommunications, a guard band is a narrow, intentionally unused frequency band that is placed between adjacent frequency bands to minimize interference between them.[1] 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.[2]

References

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