Microsoft M53-00001 Broadband Network Ethernet USB Adapter (10/100) Easy-to-use Setup Wizard Strong security features, including a built-in firewall, Network Address Translation (NAT), and default 128-bit wireless security (WEP) Universal Plug and Play for seamless UPnP applications such as voice messaging, video messaging, and games Connects to a computer through its USB port Toll-free product support, 24 hours a day, 7 days a week