chip:GS8120 (Conexant) •The ADSL router integrates a full-rate ADSL2 modem, router, firewall, 4 port  10/100Mbps Ethernet switch into a single cost-effective product. Concurrent Ethernet is supported for flexibility in operating with a range of devices. Up to four computers can be plugged into the 4 ports directly and each can enjoy simultaneous independent Internet  access.  •  Compatible with BT , AOL, Kingston & all other ISPs •  Supports ADSL /ADSL2 •  Rate adaptive, downstream up to 24 MB / upstream up to 1MB •  Integrated 10/100 Mbps 4 Port Fast Ethernet switch (MDI/MDIX Auto Sensing) •  Built–in NAT function (allow multiple PCs & devices to share single Internet connection) •  Web based configuration & management •  QoS Bandwidth management •  MAC Address Filtering •  UPnP (Universal Plug & Play) •  VPN pass through (IPSec, PPTP) •  Support SPI (State full Packet Inspection) Firewall •  Support NAT & Firewall enable/disable •  Support Virtual Server/Port Forwarding •  Support DMZ host configuration • Support Up to 8 PVCs