Compact, keychain-sized USB adapter lets you connect your desktop or notebook computer to a wireless network at up to 54Mbps. No additional wires or cablesand no need to open your computer case!Compatible with Wireless-G (802.11g) and Wireless-B (802.11b) networks.Handy USB 2.0 connectivity; backward compatible with USB 1.1.Wireless communications are protected by WPA security and up to 256-bit WEP encryption.For use with Windows 2000/XP. Requires an available USB port and Pentium-compatible processor.Easy Plug and Play installation! Simply plug in the adapter and insert the included Wizard CD into the CD-ROM drive. Easy-to-follow instructions guide you step by step through the installation.Backed by the manufacturers 2-year limited warranty.