Trendnet TW100-BRF114U is a secure 4-port Cable/DSL Firewall Router with an integrated USB Print Server that allows multiple users to share a broadband Internet connection, files, and a USB printer. It features firewall protection, Quality of Service (QoS) for prioritizing traffic, and supports various connection types including Dynamic IP, Static IP, PPPoE, PPTP, and MAC Address Base. With a built-in DHCP server, it automatically assigns IP addresses to connected devices, simplifying network management.