It is possible that the download link provided above does not refer to the intended version.
If you are looking for REALTEK USB Wireless LAN Driver, you may try searching for a download link using
Google.
Review
REALTEK USB Wireless LAN Driver is developed by Realtek and is used by 5510 users of Software Informer. The most popular versions of this product among our users are: 1.0 and 3.0. The product will soon be reviewed by our informers.
