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guard band Last modified: Tuesday, October 21, 2008
Also called a frequency guard band, a narrow frequency band between adjacent channels in multiplexing that is kept unused to prevent the channels from overlapping and causing crosstalk among modulated signals. Guard bands are commonly used in FDM but are also used in any data transmission method that relies on frequencies. Also spelled guardband.
Enterprise VoIP Planet The IT Manager's Guide to Voice over IP Webopedia's "Did You Know...?" Section Use this Webopedia knowledge section for an in-depth overview of specific technologies and occurrences in the areas of Computer Science, The Internet, and Computer Hardware and Software. Webopedia's Quick Reference Section Use this Webopedia reference section for information on common Internet and computer facts and occurrences.	Related Categories Multiplexing Related Terms crosstalk demultiplex FDM modulate multiplex OFDM Shopping guard band Products Compare Products,Prices and Stores Shop by Category: Health Aids 15 Store Offers Watches 56 Store Offers