Retevis H-777 Super Quality Walkie Talkie UHF 400-470MHz 5W CTCSS/DCS 16CH Single Band With Earpiece Flashlight Two Way Radio Hand Held Mobile Ham Amateur Radio Transiver Black 5 Pack
Specification:Model: Retevis H-777Rated Voltage: 3.7V DCOutput power: <5WHot Spots:Single bandSingle frequencyFrequency Range: UHF 400-470MHzMemory Channel: 16Built-in Led torchCTCSS/DCS functionScanning functionMonitor functionTOT functionEmergency alarm functionPower saving functionChinese and English voice promptPC software programmablePocket includes5 Portable 2 way radio5 Antenna5 Earpiece5 Li-ion battery pack5 Charger5 Belt clip5 The sling5 User's manualCouldn't communicate with other group members?Firstly,please verify that the channel frenquency and the CTCSS you are using are the same as those of your group memebers.If the channel frenquency and the CTCSS are the same,please verify that your group members are within the radio coverageIf you need re-program the radio, please contact us freely, we will provide you the Wirte-frequency Software for freeWe provide 1 year warranty(buyer should bear shipping fee) and 7 days no reason to return .No matter any reason, within seven days you can apply for a return.If further details,please contact us freely,we will work with you to reach win-win