Adds 802.11g wireless capabilities to desktop and laptop computers, for faster wireless networking available for home or office
Fits any standard 1.0, 1.1 and 2.0 USB slot
Provides 3 times the wireless range of 802.11a adapters
Offers backward-compatibility with all 802.11b network devices
Features wireless 64- and 128-bit WEP Encryption
Keeps notebook batteries running longer with advanced, low-power consumption chipset
NOT Vista compatible.
Scratch that, apparently others HAVE been able to use it with Vista.