If the Retevis RT3S DMR radio is misoperated, the frequency is locked to 450MHZ and 150MHZ, then the channel knob will not work. This video shows how this happens and how to solve the problem.
Shop Retevis RT3S DMR Radio from the link:
[ Ссылка ]
Connect with us:
Facebook: www.facebook.com/retevissolutions
Instagram: www.instagram.com/retevissolutions/
Email: info@retevissolutions.com
Wechat & Whatsapp:+86 15038086746
![](https://s2.save4k.ru/pic/BlCLnrLVww0/maxresdefault.jpg)