3G Wireless Router Gateway 150Mbps External Antenna 4 LAN PORTS 1 USB PORT 1 WAN PORT PS- ... : PWR(power), SYS(system), WLAN(wireless LAN), WAN, LAN(1,2,3,4 total four LAN ports)Antenna: 3DBi high-gain Omni ... -directional antenna.Physical ports: 1 USB interface, 1 WAN ...