Sitecom WL-521 Driver Download (Official)

Sitecom Drivers

The WL-521 is a network device manufactured by Sitecom. Issues like weak Wi-Fi signal, slow DNS lookup, duplicate IP addresses, slow network and excessive CPU usage can be solved by updating this driver. This update - "" - has an average rating of 5 out of 5 stars based on 5 reviews, and has been downloaded 41 times. The uploader reports that this update will work successfully on PCs running Windows XP. The total disk space used for this update is 1.4 MB.

5 Ratings

Supported Models




Supported Operating Systems

Windows XP, Windows 2000, Windows ME, Windows 98SE

File Name

Additional Notes


Wireless Network Router Firmware File

Uploaded By

Malathy (DG Staff Member) on 15-Dec-2006

How to Update WL-521 Device Drivers

Step 1 - Download Your Driver

To get the WL-521 driver, click the green download button above. After you complete your download, move on to Step 2.

If the driver listed is not the right version or operating system, search our driver archive for the correct version. Enter Sitecom WL-521 into the search box above and then submit. In the results, choose the best match for your PC and operating system.

Tech Tip: If you are having trouble deciding which is the right driver, try the Sitecom Driver Update Utility. It is a software utility which automatically finds and downloads the right driver.

To find the newest driver, you may need to visit the Sitecom website. Most major device manufacturers update their drivers regularly.

Step 2 - Install Your Driver

Installing your newly downloaded driver is a straightforward process. Windows provides a dedicated tool called Device Manager for this purpose. Follow these steps to update your driver:

  1. Access the Quick Access menu by right-clicking the Start button.

  2. From the menu options, choose "Device Manager".

  3. Within Device Manager, identify the device requiring the driver update.

  4. Open the context menu for the device by right-clicking its name.

  5. Select "Update driver" and proceed through the guided installation.

To complete the process, reboot your computer. This ensures the new driver is fully integrated into your system.

Regular driver updates contribute to optimal system performance and hardware compatibility.

Tech Tip: Driver downloads and updates come in a variety of file formats with different file extensions. For example, you may have downloaded an EXE, INF, ZIP, or SYS file. Each file type has a slighty different installation procedure to follow.

For more help, visit our Driver Support Page for step-by-step videos on how to install drivers for every file type.

Driver Contents File List

The following files are found inside the driver download file.

Name Size Date
Firmware/IP706SM.BIN 1.0 MB 26 Nov 2004
Upgrade Utility/DATA.TAG 114 bytes 13 May 2002
Upgrade Utility/SETUP.INI 105 bytes 13 May 2002
Upgrade Utility/Setup.exe 61.4 KB 13 Jan 1999
Upgrade Utility/_ISDel.exe 8.7 KB 27 Oct 1998
Upgrade Utility/_Setup.dll 11.3 KB 29 Sep 1998
Upgrade Utility/_inst32i.ex_ 296.7 KB 23 Feb 1999
Upgrade Utility/ 175.5 KB 13 May 2002
Upgrade Utility/ 306.7 KB 26 Jun 2015
Upgrade Utility/ 129.5 KB 26 Jun 2015
Upgrade Utility/ 27.1 KB 26 Jun 2015
Upgrade Utility/ 28.3 KB 26 Jun 2015
Upgrade Utility/ 1.1 KB 13 May 2002
Upgrade Utility/ 975 bytes 26 Jun 2015
Upgrade Utility/ 339.0 KB 13 May 2002
Upgrade Utility/ 15.6 KB 26 Jun 2015
Upgrade Utility/ 16.1 KB 26 Jun 2015
Upgrade Utility/ 16.3 KB 26 Jun 2015
Upgrade Utility/ 61.4 KB 26 Jun 2015
Upgrade Utility/ 12 bytes 26 Jun 2015
Upgrade Utility/ 45.1 KB 26 Jun 2015
Upgrade Utility/ 835.6 KB 26 Jun 2015
Upgrade Utility/ 26.1 KB 26 Jun 2015
Upgrade Utility/lang.dat 23.5 KB 12 Jan 1999
Upgrade Utility/layout.bin 590 bytes 13 May 2002
Upgrade Utility/os.dat 450 bytes 27 Jul 1998
Upgrade Utility/setup.ins 55.2 KB 13 May 2002
Upgrade Utility/setup.lid 49 bytes 13 May 2002
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