TRENDnet's TW100-S4W1CA DSL/Cable Broadband Routerwith 4-Port Switch provides the easiest and securest way toshare your high-speed cable/xDSL Internet connection. It has abuilt-in 4-Port 10/100Mbps switch that provides directconnection to workstations or uplinks to other Hubs or Switches.By sharing just one TW100-S4W1CA, one IP address, one ISPaccount and one cable/xDSL modem, up to 253 network userscan surf the Internet at the same time. The TW100-S4W1CA alsohas Network Address Translation (NAT) feature, which acts like afirewall and protects your computers from hackers. TRENDnet'sDSL/Cable Modem Internet Router is a feature-rich product thatprovides cost savings and easy configuration.