3Com 11a/b/g Wireless LAN Mini PCI Express Adapter Driver Download

3Com Drivers

The 11a/b/g Wireless LAN Mini PCI Express Adapter is a network device manufactured by 3Com. 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 version of "3com_535.zip" is rated (5 out of 5 stars) based on 345 downloads and 7 reviews. It has been installed successfully by our users on PCs running Windows XP. The total disk space used for this update is 299.5 KB.

7 Ratings

Supported Models

Atheros AR5001X+ Wireless Network Adapter

11a/b/g Wireless LAN Mini PCI Adapter II

11a/b/g Wireless LAN Mini PCI Express Adapter

11b/g Wireless LAN Mini PCI Adapter

11b/g Wireless LAN Mini PCI Express Adapter

11b/g Wireless LAN Mini PCI Express Adapter II

3Com OfficeConnect Wireless 108Mbps 11g XJACK PC Card




Supported Operating Systems

Windows Vista, Windows XP

File Name

Versions (5-Apr-2007) (2007-04-05) via .inf

Additional Notes

Windows 7 driver for the 3Com 11a/b/g Wireless PC Card with XJACK Antenna (3CRPAG175). Extracted from the at http://www.dd-wrt.com/dd-wrtv2/down.php?path=downloads%2Fothers%2Fdrivers/ and changed only the description '3Com etc' at the end of the inf-file. I installed this driver under XP Pro and Windows 7 (7100) 32-bits. Will probably work as well under Vista 32-bits.

Uploaded By

Jan-E (DG Member) on 2-Jun-2009

Device Hardware IDs

Driver Contents File List

The following files are found inside the driver download file.

Name Size Date
ar5211.sys 546.1 KB 5 Apr 2007
net5211.cat 20.8 KB 12 Apr 2007
net5211.inf 83.3 KB 2 Jun 2009

How to Update 11a/b/g Wireless LAN Mini PCI Express Adapter Device Drivers Quickly & Easily

Step 1 - Download Your Driver

To get the 11a/b/g Wireless LAN Mini PCI Express Adapter 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 3Com 11a/b/g Wireless LAN Mini PCI Express Adapter 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 3Com 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 3Com website. Most major device manufacturers update their drivers regularly.

Step 2 - Install Your Driver

Once you have downloaded your new driver, you'll need to install it. In Windows, use a built-in utility called Device Manager, which allows you to see all of the devices recognized by your system, and the drivers associated with them.

How to Open Device Manager

  • In Windows 11, Windows 10 & Windows 8.1, right-click the Start menu and select Device Manager

  • In Windows 8, swipe up from the bottom, or right-click anywhere on the desktop and choose "All Apps" -> swipe or scroll right and choose "Control Panel" (under Windows System section) -> Hardware and Sound -> Device Manager

  • In Windows 7, click Start -> Control Panel -> Hardware and Sound -> Device Manager

  • In Windows Vista, click Start -> Control Panel -> System and Maintenance -> Device Manager

  • In Windows XP, click Start -> Control Panel -> Performance and Maintenance -> System -> Hardware tab -> Device Manager button

How to Install a driver from Device Manager

  1. Locate the device and model that is having the issue and double-click on it to open the Properties dialog box.

  2. Select the Driver tab.

  3. Click the Update Driver button and follow the instructions.

In most cases, you will need to reboot your computer in order for the driver update to take effect.

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.

This website is not affiliated with 3Com. All company names/logos are properties of their owners.
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