What is a Duplexer? How it works and common failures

In this video, David from our tech department at Buy Two Way Radios explains what a duplexer is, how it actually works, and some common failure points.
XLT Communications GMRS Mobile Duplexer (50 Watt)
www.buytwowayradios.com/xlt-d...
TX RX Systems Vari-Notch Rack Mount Duplexer (450-470 MHz, 5 MHz Split)
www.buytwowayradios.com/rxtx-...
#duplexer #gmrs #repeaters #amateurradio #hamradio

[@OnAirVoice]

Tuning those things is no fun, I did one 20 years or so ago. I would not even know where to start now. That one had WAY bigger cans. Had borrow.a spectrum analyzer.

[@daveengstrom9250]

Never use ten words when you can use ten thousand.