Guard band
Template:AboutTemplate:Short description In telecommunications, a guard band is a narrow, intentionally unused frequency band that is placed between adjacent frequency bands to minimize interference between them.<ref>{{#invoke:citation/CS1|citation |CitationClass=web }}</ref> 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.<ref>{{#invoke:citation/CS1|citation |CitationClass=web }}</ref>