+A **repeater** is an electronic device that receives a signal, regenerates or amplifies it, and retransmits it. This process extends the reach of a [Network](/wiki/Network), allowing signals to travel further without significant degradation. They are fundamental in both wired and [Wireless Communication](/wiki/Wireless_Communication) to maintain signal integrity over distance.
+## See also
+- [Router](/wiki/Router)
+- [Hub](/wiki/Hub)
+- [Amplifier](/wiki/Amplifier)
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