Trendnet TW100-BRM504 is a 4-Port ADSL Modem Firewall Router that allows you to connect to and share your DSL broadband Internet connection. It features four LAN ports for connecting wired devices, a WAN port for connecting to the Internet, and a built-in firewall to protect your network from unauthorized access. The router also supports Dynamic IP, Static IP, PPPoE, and IPoA connection types, making it compatible with most DSL Internet service providers. With its easy-to-use web-based interface, you can quickly and easily configure the router and manage your network settings.