1.Portable 3G router with Internal HSUPA modem, 2.SIM card slot 3. ... supply power 1500mAh BatteryAntennaBuilt-in 2Dbi,External option for PCB onlyInterfaceBuilt in PCI-e 3G card SIM Card Standard 6-pin SIM ... Card slotLEDPower,charge,3G,wifiEnvoirnment Operating10%-90% non-condeensionOperating HumidityRalinkDimension95X50X14MM Portable wireless 802.11b/g/n internal SIM Card slot huawei MIFI 3G Router