... Ralink3052 chipset. 3.With optical module inside 4. 4 LAN Port 150M Wireless Fiber Router, 2PCS detachable antenna, with optical ... point, four-port switch and firewall in one1 10/100M Auto-Negotiation RJ45 WAN port, 4 10/100M Auto-Negotiation RJ45 LAN ports1 USB Port for 3G ... CD,TCP/IP,DHCP,ICMP,NAT,PPPoEInterfaceLAN 4 10/100M Auto MDI/MDIX RJ45 ports.; WAN Optical portFrequency Band2.4GHz-2. ...