guard band

guard band definition - telecom
A frequency band that exists between two information-bearing channels, a guard band provides channel separation in order to avoid mutual interference.Analog voice grade bandwidth, for example, is defined as 4,000 Hz (4 kHz). As illustrated in Figure G-2, the voice signal runs in the 300

Webster's New World Telecom Dictionary Copyright © 2008 by Wiley Publishing, Inc., Indianapolis, Indiana.
Used by arrangement with John Wiley & Sons, Inc.

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