Connects your desktop or notebook to a wireless network at up to 54 Mbps when used with a USB (Universal Serial Bus) 2.0 port Easy no-tools setup on any desktop or notebook computer with USB (Universal Serial Bus) support Also compatible with Wireless-B networks at 11 Mbps Wireless communications are protected by up to 128-bit data encryption Connect your USB (Universal Serial Bus)-equipped desktop or notebook computer to a wireless network at incredible speeds with the Linksys Wireless-G Portable USB (Universal Serial Bus) Adapter. By incorporating two new blazing fast technologies USB (Universal Serial Bus) 2.0 & Wireless-G the Adapter delivers data rates up to 54 Mbps 5 times as fast as 802.11b without the trouble of opening up the case of your desktop computer. To install simply plug the Adapter into any available USB (Universal Serial Bus) port. Its compatible with both USB (Universal Serial Bus) 1.1 & 2.0 ports but 2.0 will yield the fastest speeds. You can plug it directly into your PC & adjust the tilt-&-swivel connector & swing-up antenna for best reception or use the included USB (Universal Serial Bus) Extension Base to put the Adapter anywhere youd like up to six feet away.