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repeater
Last modified: Friday, July 30, 2004 

(rē-pēt´ër) (n.) A network device used to regenerate or replicate a signal. Repeaters are used in transmission systems to regenerate analog or digital signals distorted by transmission loss. Analog repeaters frequently can only amplify the signal while digital repeaters can reconstruct a signal to near its original quality.

In a data network, a repeater can relay messages between subnetworks that use different protocols or cable types. Hubs can operate as repeaters by relaying messages to all connected computers. A repeater cannot do the intelligent routing performed by bridges and routers.

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related categories

Networking Hardware

Routing

related terms

10Base-T

amplifier repeater

attenuation

bridge

collision domain

hub

router

virtual router

VRRP


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