From Linksys, A Division of Cisco Systems:
Linksys Wireless-B USB Network Adapter v2.8, Plug-and-Play Wireless USB Network Adapter connects directly to any USB-ready PCÃ??Ã?Â¢??just plug it in and youÃ??Ã?Â¢??re ready to share data, printers, or high speed Internet access over your existing wireless network.
Up to 11Mbps High-Speed Data Transfer Rate with Automatic Fallback.
Plug-and-Play Operation Provides Easy Setup.
802.11b, DSSS, 2.4GHz Compliant.
Compatible with Microsoft Windows 98SE, Me, 2000, and XP.