Find great deals for Linksys Wusb54gp Wireless-g Portable USB Adapter Still Fast Ship. Shop with confidence on eBay! i have the Linksys WUSB54GP wireless adapter and want to install it to use with wireless Vista Business bit i plugged it in and don't know. Linksys states:"I apologize for the inconvenience. We do not have available drivers of your adapter for Windows 7. We have our WECN.