GMRS two-way radio HELP FORUM

Posted: **Thu May 18, 2023 8:22 pm**

for the interface board to work it has to be the same pinouts as the retevis Rt97S/midland MXR10, here is that link:

https://www.gmrstwowayradio.com/9PinDiagramRepeater.pdf

what is the pinout of the interface board?