The Express EtherNetwork Broadband Router from D-Link combines the functions of a Cable/DSL router, a print server and a network switch into one compact device. The router allows you to share your internet connection between several computers that can connect via 4 standard RJ-45 Ethernet ports. The router also features a firewall to protect you from malicious software that can attack your computer from the internet, making it an excellent choice for your home network.