Plugs into the USB port of a Windows computer (XP, 2000, Me, 98SE) •Works in all 802.11g, 802.11b, and mixed networks •Zoom 140 Speed Booster – for faster than normal and enhanced 802.11g •High Security with WPA (WiFi® Protected Access) and WEP •Powered by the USB port, so no power cord is needed – reduces power cube clutter •Semi-rigid USB cable allows adjustment of antenna orientation to maximize throughput •2-Year Manufacturer Warranty