CHATEAU LTE12 , Dual-band (2.4 GHz / 5 GHz) , Wi-Fi 5 (802.11ac) , WLAN data transfer rate (max) 866 Mbit/s , SIM card slot Yes , 3G/4G USB modem compatibility Yes , Ethernet LAN Yes , Ethernet LAN interface type Gigabit Ethernet , Mobile network generation 4G , 3G Yes , 4G Yes , SIM card type MicroSIM , 5xEthernet LAN (RJ-45) ports , USB port Yes , Antenna design Internal & external , Power source type DC , Operating temperature (T-T) -20 - 70 °C