TYTERA POC analog dual mode cross mode TYT IP-79 poc radio 4G network walkie talkie Specification item value Talk Range 5000KM Walkie Talkie Type GMRS Output Power / Place of Origin China Fujian Brand Name TYT Terminal style Handheld Storage Channel / Operating Language English Frequency Type / Model Number IP-79 Dimensions / Frequency Range / Water Resistance Level IPX4 Product Description