These have been around for a few years but are now under £90. Most have been modified to use OpenGD77 firmware why do this and are they any good?

Why is a Professional DMR radio not ideal for Amateur Radio Operators?

I take you through why it is an issue and how you can make this radio into a bargain hand held that is fit for the purpose.

My blog http://www.tekmaker.co.uk/p/my-index-...

Martin Lynch and sons https://www.hamradio.co.uk/tyt-md-uv3...

Install the Alpha of OpenGD77 firmware for the (VERSION 1 - ONL). TYT MD-UV380 / Retevis RT-3S
   • Install the Alpha of  OpenGD77 firmwa...  


My TYT UV380 playlist    • Where to find, and how to flash your ...  

OpenGD77 firmware download https://github.com/open-ham/OpenGD77

Other OpenGD77 links
https://www.opengd77.com/downloads/CPS/
https://opengd77.com/
https://github.com/LibreDMR
https://github.com/open-ham/OpenGD77

Main buttons

Up long press scan channels
F1 + green quick menu
F2 + up/down RF power
Red vfo/channels mode
long press
fm/fm narrow


in vfo mode
channel knob = channel
up/down = squelch

in DMR modechannel knob = channel
Up long press scan channels
up/down DMR talk group
TS/TS2
TG entry
red rx/tx freq (mutes dmr)
0 unhighlights caller details, back to channel/tg