It is possible that the download link provided above does not refer to the intended version.
If you are looking for Sitecom Wireless Network USB Adapter 54G WL-113, you may try searching for a download link using
Google.
Review
Sitecom Wireless Network USB Adapter 54G WL-113. With the Wireless Network USB Adapter you can establish a connection with any 2.4 GHz compatible wireless network. The USB adapter is plugged into a PC or notebook, which has a free USB 2.0 port. The Wireless Network USB Adapter can communicate directly with another wireless network card in an ad hoc network or can be hooked into a wireless network featuring an access point. If a wireless network uses several access points, this Wireless Network USB Adapter automatically chooses the strongest signal (roaming). Features Simple installation. Connection via the USB 2.0 port of the computer. Roaming function. 802.11b/g network protocol compatible. 54 Mbps transfer rate.
