The Microsoft MN-500 Wireless Base Station is a router with integrated wireless access point and a 4-port Ethernet switch. This is the centerpiece of an 802.11b wireless network. The Microsoft easy-to-use setup software makes it easy for you to connect multiple wired and wireless computers in your home or small office to the Internet through a single broadband connection, such as a cable or DSL modem.??Enjoy data transfer rates of up to 11 Mbps for wireless connections and 100 Mbps for wired connections - that's significantly faster than a typical broadband connection. Built-in security feature provides strong security features including a built-in hardware firewall, Network Address Translation (NAT), and 128-bit wireless security (WEP).