... OPENVPN, IPSEC and GRE)(only for VPN version) Support VPN server(PPTP, L2TP, OPENVPN, IPSEC and GRE)(only for VPN version ... ) mode. WiFi support WEP, WPA, WPA2 encryption, Support RADIUS authentication and MAC address filter. Support multi online trigger ways, including ... . Support link disconnection when timeout Support APN/VPDN Support DHCP server and client, firewall, NAT, DMZ host, URL block, QoS, ...