Specifications: astwifi at hotmail dot com; tel: +86-13715052451; contact: Miss Hotina; --Network Protocols:TCP/IP,DNS,DHCP(Client & Server),WMM, WPS,WDS, DDNS, NTP, PPPOE, --UPnP, IGMP, LLTD --Compatible with HSPA+/HSUPA/HSDPA/CDMA EVDO R0/RA/RB USB Modem --Firewall: Stateful packet inspection (SPI), --Wireless: WPA2-PSK, WPA-PSK, WEP, 802.1x --DC Power Port: Mini USB --VPN functionality: VPN pass-through for Ipsec --Adjustable USB interface, 3G Port: USB 2.0 --Built-in 1500mAh lithium ion battery --Support latest HSPA+/LTE technology, speed mobile broadband up to 42Mbps --Complies with IEEE 802.11n/g/b --Supports a complete and latest range of 3G/4G USB modems --Automatically detected and configured your 3g/4G Modem --Lithium(Li-ion) battery: 3.7V, 1500mAh Support 3G/4G USB Modem Support HSPA+/HSUPA/HSDPA CDMA EVDO R0/RA/RB Netowrk