... : IEEE802.11b/G/N H102-R industrial 4G Openvpn Router is a kind of cellular terminal device that provides large ... , including online detect, auto redial when offline to make router always onlineEthernet port: 1.5KV magnetic isolation protectionRS232/RS485/RS422 ... maintenance interface(WEB or CLI) High-performance Support multiple WAN access methods, including static IP, DHCP, L2TP, PPTP, PPPOE, 4G. ...