Talkie walkie extra plat

4G LTE 3G 2G OEM POC Long Range Android Walkie Talkie ZELLO, No extra tool is needed to configure, set up and use this radio, Specifications： State New   Brand OEM   Working voltage 3.7V   Operating system Android 6.0.1   Language Chinese/English   LTE FDD B1 Transmit frequency:1920-1980MHz Receive frequency:2110-2170MHz B3 Transmit frequency:1710-1785MHz Receive trequency:1805-1880MHz B5 Transmit frequency:824MHz-849MHz Receive frequency:869MHz-894MHz LTE FDD B38 Transmit frequency:2570-2620MHz Receive frequency:2570-2620MHz B39 Transmit frequency:1880-1920MHz Receive frequency:1880-1920MHz B40 Transmit frequency:2300-2400MHz Receive frequency:2300-2400MHz B41 Transmit frequency:2555-2655MHZ Receive frequency:2555-2655MHZ WCDMA B1 Transmit frequency:1920-1980MH Receive frequency:2110-2170MHZ B5 Transmit frequency:824MHz-849MHz Receive frequency:869-894MHz B8 Transmit frequency:880-915MHz Receive frequency:925-960MHz TDSCDMA B34 Transmit frequency:2010-2025MHz Receive frequency:2010-2025MHz B39 Transmit frequency:1880-1920MHz Receive frequency:1880-1920MHz   BDMA EVDO ReV.A800M   GSM 900/1800MHz App Zello   Message SMS   Dual Sim Yes   Wifi No   Bluetooth No   GPS Yes   Phone Call dialing Yes   Contact Yes   Media   Music, videos, gallery   Antenna External antenna   screen size 1.77 SPI colortul LCD，resolution ratio：128*60   CPU Qualcomm MSM8909   Dimension 123×62×35mm   weight 211g   battery ≥5800mA   receiver senitivity -106dbm   maximum transmit power 23dBm-25dBm@All up bits   working temperature ‘-20--+75℃   Keeping temperature ’-40--+85℃   audio output power 2W@10%    earpiece k type   charge mode charging cable   Accessories: 1 x 6000mAh Li-Polymer battery 1 x USB cable 1 x USB power adaptor 1 x Belt chip 1 x User manual