... Pptp, L2tp, Ipsec and Gre Interface: RS232, RS485, Ethernet Port H101-R GPS+WCDMA ROUTER is a kind of cellular ... 5mm Serial RS232, RS485, Ethernet Port Detail Features and BenefitsDesign for Industrial Application High-powered industrial cellular module High- ... SIM/UIM port: 15KV ESD protection Power port: Reverse-voltage and overvoltage protection Antenna port: Lightning protection(optional) Standard ...