... /hsdpa 2.built-in 1,500mAh lithium battery portable 3g wifi gatewayCompact and stylish designBuilt-in 1,500mAh lithium battery Support ... USB modemTCP/IP, DNS, DHCP (client and server), WMM, WPS, WDS, DDNS, NTP, PPPoE, UpnP, IGMP, and LLTDSupport port range forwarding ... USB modemTCP/IP, DNS, DHCP (client and server), WMM, WPS, WDS, DDNS, NTP, PPPoE, UpnP, IGMP, and LLTDSupport port range forwarding ...