OpenGD77

I also have an MD-2017 and would like to try this out.

The Retevis RT-82 is their clone of the TYT MD-2017. The radios can use each other's firmware and CPS. It's not surprising that it would misbehave in the same way with existing firmware. The most difficult part of supporting any of these might be the mini-trackball. Then again, it's the worst featur...

I have an MD-2017, bought when it was first released. The miniature trackball is the radio's worst feature. It's far too easy to move, and in the usual configuration moving changes to another channel; if you try to put the radio in your pocket or on your belt, the frequency will change more often th...