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guard band

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noun Radio.
an unassigned range of radio frequencies either just above or just below the band of frequencies required for the signal transmitted by a broadcasting station. It helps to prevent interference in receivers between signals from different stations.
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Origin of guard band

First recorded in 1955–60
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

How to use guard band in a sentence

British Dictionary definitions for guard band

guard band

noun
a space left vacant between two radio frequency bands, or between two tracks on a magnetic tape recording, to avoid mutual interference
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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