Whether you're at your desk or in the boardroom, the Linksys Instant Wireless PCI Adapter (with the Linksys Instant Wireless Network PC Card inserted) allows you to share printers, files, and more within your wireless LAN infrastructure, increasing your productivity and keeping you on the network. ??The Instant Wireless PCI Adapter gives you the freedom to work your way, from wherever you want. Just plug the Network PC Card into the PCI Adapter and you can take full advantage of a wireless network. A high-powered built-in Diversity antenna means that you're covered - at distances of up to 500 meters. Ready to run in any PCI-equipped desktop PC and compatible with virtually all major operating systems, the Instant Wireless PCI Adapter from Linksys is truly a "must-have" for all PC users.