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Repeater is a electronic device that reshapes and amplifies the signal received from one LAN segment to another.


  • Mostly used to boost the signals in the network.
  • Operates at physical layer in the OSI layer model.
  • Best suited for long distances network and bus topology.
  • Main advantage is that they remove unwanted noise from the incoming signals.
  • Requires separate power supply for functioning.
  • Repeater component parts varies from where they are used like in digital communication, wireless communication, fiber-optic system, cellular system etc.

Tip Box

Use of repeater position (place) depends upon the type of cable used for transmission.


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