... as TCP/IP/UDP and so on.And it supports static and dynamic route,PPP Client and PPP server,VPN (including ... , System, Link/ACT Antenna interface: standard SMA female interface, 50 ohm SIM/UIM interface: standard user card interface Power interface: standard 3-PIN power jack ... ,POP3,OICQ,TELNET,FTP ,SNMP ,etc.5. Support dynamic and static route6. Support DHCP server7. Support NAT, such as SNAT, DNAT ...