... : IEEE802.11b/G/N H102-R industrial 4G Openvpn Router is a kind of cellular terminal device that provides large ... mechanism, including online detect, auto redial when offline to make router always onlineEthernet port: 1.5KV magnetic isolation protectionRS232/RS485/RS422 ... VPDN Support DHCP server and client, firewall, NAT, DMZ host, URL block, QoS, ttraff, statistics, real time link speed statistics etc ...