This is a generic driver for the Broadcom Wireless 802.11b/g Adapter. Many companies use the Broadcom adapter under different names but it is the most commonly used wireless adapter on the market and more likely than not you are using one.
The driver is a Windows XP and Windows 2000 driver which was released last year. If you have a different OS then you can try to install the driver in compatibility mode on your computer. You can search this website for how to do this. The Broadcom Wireless driver has been added below for download. This is the Broadcom BCM 43XX or Broadcom 802.11b/g WLAN.