RT3S dual band digital ham radio uses Digital Mobile Radio (DMR) Tier 2 Standard   protocol. It is compatible with the popular MOTO TRBO series Tier I and   II using standard encryption, It is also compatible with any existing   analog two-way radio operating on the supported UHF and VHF frequencies   for easy migration to digital technology. 

It is compatible with the popular MOTO TRBO series Tier I and II using standard encryption, as well as other makes and models of DMR supported radios.

Up to 3000 channels ，for extremely complex organizational communications.

lone worker is an employee who performs an activity that is carried out in isolation from other workers without close or direct supervision.Helping people minimize risk and injury.

GPS gives you a clear idea of your location even in the wild. Use it to find your way or to help others find you.