... 3,1 USB2.0 interface Product Features:1,Support 3g router mode, can be adapted with all the legal 3g modem ... distribution11,Support build-in firewallProduct Spec: Access Mode3G wireless accessWAN wired accessWISP wireless accessWiFi HotspotSupport IEEE802.11b/g/n,IEEE802.3/802 ... to restore the default valuesWAN / 3G or witchInternet connection mode switch, select 3G to use 3G data card, then RJ45 used ...