The Linksys WMP54GS 2.4GHz Wireless-G PCI Adapter with SpeedBooster is a wireless network card designed for computers. It offers a maximum data rate of 54 Mbps and is compatible with Wireless-B and Wireless-G devices. This PC Card Type I adapter by Linksys is easy to install and provides a seamless connection for accessing the internet wirelessly. Perfect for enhancing your computer's wireless capabilities, this unit is a reliable choice for expanding your network's reach.