Question

$\bold\blue{Heya!}$

What are repeaters?$\star$​

Answer 1

$\huge\mathfrak\green{Hello!}$

A  telecommunications, a repeater is an electronic device that receives a signal and retransmits it. Repeaters are used to extend transmissions so that the signal can cover longer distances or be received on the other side of an obstruction.

Answer 2

A person or thing that repeats something.

EXE:- a student repeating boards :-)

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hope this helps you mate