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Note: Many topics at this site are reduced versions of the text in "The Encyclopedia of Networking and Telecommunications." Search results will not be as extensive as a search of the book's CD-ROM.

Attenuation is signal loss, measured in decibels, of a signal transmission over distance. The opposite of attenuation is signal amplification. On network cables, attenuation is the degradation of the digital signal or a loss of amplitude of an electric signal. Repeaters are used to regenerate signals by amplifying them but not changing their information content in any way. With a repeater, a network can be extended beyond its normal range.

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