4G CategoryLTE CAT.4 4G/3G standardsFDD LTE,TDD-LTE,WCDMA 4G Mobile Bands4G LTE:B1/B3/B7/B20/B40 3G WCDMA:B1/B8 2G:GSM900/DCS1800 Max 4G speedDL:150Mbps UL:50Mbps Wi-Fi standards802.11b/g/n Wi-Fi frequency2.4GHz Wi-Fi speed2.4GHz:150Mbps Wi-Fi transmit Power2.4GHz:up to 20dBm USB Port1 Micro USB port SD Card slot1 Micro SD slot SIM Slot1 Micro SIM slot 1 Reset hole Antenna 2 Internal 4G/3G Antennas 2 Internal Wi-Fi Antennas BatteryType: Li (rechargeable) Capacity: 3.8V, 2100 mAh,7.98Wh Working time: up to 10hours (depending on the network) Standby time: up to 100hours (depending on the network) WAN Type4G/3G 4G/3G FeaturesAuto-APN Auto dial-up Roaming SMS(Send/Receive/Delete) Phonebook USSD Data limted Power save PIN Management Wi-Fi functionsBroadcast and Hide Wi-Fi name Guest network Internet Wi-Fi (Extend your Wi-Fi)