Chipset ZX297520V3 + RTL8192ES Technical Standard Compatible with WCDMA,FDD-LTE,TDD-LTE Default 802.11b/g/n Frequency LTE:B1/3/5/7/8/20/38/40/41, WCDMA:B1/5/8(Optional) WiFi 2.4G, WIFI 2*2 MIMO,802.11 b/g/n MIMO Support DL 2×2 MIMO Power Voltage DC 12V/1A USIM/SIM 2FF SIM card support SIM/USIM/UIM,standard 6 PIN SIM card interface, support 3V SIM card and 1.8V SIM card;internal LED Power Indication, WiFi Indication, LAN/WAN Interface Status, Internet Status, Signal Strength Antenna 2 internal WIFI antenna;2 internal LTE antenna; 2 external LTE antenna(optional) Ethernet 3LAN, 10BaseT/100Base/ automatic adaptive port Dimension 166.0*120.2*40.2mm