built-in 3G modem WAP.Wifi802.11b/g SD card up to 16Gb ... antennaInterfaceCharging Interfacemini USBSIM slotSupportPower SupplyRemovable Li-ion battery, 1500mAhStatus IndicationWIFI,3G SIGNAL,SPEED,POWERnetwork status IndicationMulti-colour status indicator for HSPA ... to 113oF)Storage Temperature-20oC to 65oC (-4oF to 149oF 3G Mifi Router