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guard band

noun

, Radio.
  1. 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.

guard band

noun

  1. a space left vacant between two radio frequency bands, or between two tracks on a magnetic tape recording, to avoid mutual interference

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Word History and Origins

Origin of guard band1

First recorded in 1955–60

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Example Sentences

The rear-guard band presently were heard firing, and possibly with effect; at any rate it was clear they had received a check.

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