We receive a lot of inquiries about duplexers how they are used with repeaters. But what is a duplexer? What are actually inside these things and how do they function? How important are they to the operation of a repeater and what happens if they fail?
In this video tutorial, David from our tech department at Buy Two Way Radios explains what a duplexer is, how it actually works, and some of its common failure points.
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