The Retevis RT83 DMR GPS Walkie Talkies are versatile and reliable communication devices designed for outdoor activities. With a frequency range of 400-470MHz and a UHF band, these walkie talkies provide clear and stable signals even in remote areas. Featuring a digital DMR protocol, they offer secure communication with advanced features such as emergency alerts, message functions, and keypad locks. The IP67 waterproof design ensures durability in various weather conditions, while the 10 watts power output ensures strong and consistent signals. Perfect for hiking, camping, or other outdoor adventures, these walkie talkies are a must-have for anyone looking for reliable communication devices. Comes with O.E.M. programming cable,This was in our display case to show our customers, comes complete last one.1000 + channels. This is our last one left it was also very popular DMR radio.