The Sweex wireless adapter below is a USB adpater from Sweex which is a wireless 54g adpater. You can also see the Sweex LWO53 wireless adapter also on this website. You can find the file below which you can download and install. Note that this USB adpater has a 64/128/152-bit WEP, WPA, WPA2, TKIP/AES, 802.1x security features. Note also that this is for Windows XP as well as Windows Vista as well as Windows 7.
Sweex Wireless 54g Adapter USB WinXP
Note that this is a 32bit as well as a 64bit driver. This is known as the Sweex LWO54 Wireless 54g. The LWO54 is not the same as the LWO53 which you can also find on this website. Check the download driver file below.