I've seen many Chinese HTs (Baofeng, Puxing, Wouxun, QuanSheng etc.) using the so-called "Kenwood connector", which has a 2.5 mm TRS connector and a 3.5 mm TRS connector. It looks something like this:

Kenwood connector

I've seen it used for serial ports, speakers, microphones, PTT devices and similar.

My question is: What's the exact pinout of this connector?

up vote 9 down vote accepted

This is the one I use for my Baofeng UV-5R.

enter image description here

  • Thanks! Another nice site with some more info is available here. – AndrejaKo Jun 18 '14 at 16:07

Here is a Diagram from page 11 of The (Chinese) Radio Documentation Project's Baofeng UV-5R Manual PDF: enter image description here

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