... ,VHF/UHF Long Range Walkie Talkies 4,DTMF Encoder 5,Power SavingMain Features for Walkie Talkie Wireless Headset KT U361,Walkie Talkie Wireless Headset ... kt-U36 GENERAL PART for Walkie Talkie Wireless HeadsetFrequency RangeVHF:136-174MHz; UHF:400-470MHzOperating Temperature -10°c to +60 °cFrequency Combination ...