Linksys Wireless-B USB Network Adapter v2.8, Plug-and-Play Wireless USB Network Adapter connects directly to any USB-ready PC—just plug it in and you’re ready to share data, printers, or high speed Internet access over your existing wireless network. Features: 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. Supports up to 128-bit WEP Encryption Security.