... 900/800MHz, 700/170 WiFi Standard: IEEE802.11b/G/N H102-R industrial 4G Openvpn Router is a ... used on M2M fields, such as intelligent transportation, smart grid, industrial automation, telemetry, finance, POS, water supply, environment protection, post ... overvoltage protection Antenna port: Lightning protection(optional) Standard and Convenience Support standard RS232(or RS485/RS422) and Ethernet port ...