TYT POC RADIO IP-78 Wireless Telephone Walkie Talkie 4G Poc Zello Two Way Radio Product Description Product Name IP-78 CPU MTK6739 Flash 2 16G Earphone Type-C Operation system Android 9 Function Global communication, sim card data radio Package Including radio, battery, antenna, belt clip, manual Unlimited talking distance Private call/ group call/ member call Nested-group call for moitor Loud voice, high fidelity output Zello supported GPS function NFC/Patrol optional Noice cancellation optional Man Down function SOS function Type-C port for earphone/ charging LTE FDD LTE TDD WCDMA GSM B2: 1900MHz B38: 2600MHz B2: 1900MHz 850MHz B4: 1700MHz B40: 2300MHz B3: 1800MHz 900MHz B5: 850MHz B5: 850MHz 1800MHz B7: 2600MHz B8: 900MHz 1900MHz B12: 700MHz B13: 750MHz B17: 700MHz B66: 2000MHz B71: 600MHz