... 64MB)Interface TypeItemContentWAN1 10/100 Mbps WAN port(RJ45), auto MDI/MDIX, 1.5KV magnetic isolation protectionLAN4 10/100 ... Mbps Ethernet ports(RJ45), auto MDI/MDIX, 1.5KV magnetic isolation protectionSerial 1 RS232 ... : Standard SMA female interface, 50 ohm, lighting protection(optional)WIFI: Standard SMA male interface, 50 ohm, lighting protection(optional) ...