Thinkpad T420
Sierra Wireless EM7700 - Gobi(TM) 4000 HS-USB Diagnostics 901C
Sierra Wireless EM7700 - Gobi(TM) 4000 HS-USB Mobile Broadband Device 901C
Sierra Wireless EM7700 - Gobi(TM) 4000 HS-USB Modem 901C
Sierra Wireless EM7700 - Gobi(TM) 4000 HS-USB NMEA 901C
Sierra Wireless EM7700 - Gobi(TM) 4000 USB Composite Device 901C
Sierra Wireless EM7700 - Gobi(TM) 4000 Wireless HS-USB Ethernet Adapter 901C
win8beta_8awt16ww.zip (79.9 MB)
1.0.45.0 (21-May-2012)
Wireless WAN Utility File
Karthika (DG Staff Member) on 15-Jun-2012
To get the Thinkpad T420 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 Lenovo Thinkpad T420 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 Lenovo 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 Lenovo website. Most major device manufacturers update their drivers regularly.
To install your new driver on Windows:
Right-click the Start button.
Click "Device Manager"
Find your device in the list.
Right-click the device and select "Update driver"
Follow the steps on screen.
Restart your computer when done.
This keeps your computer working at its best.
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.
The following files are found inside the driver download file.
| Name | Size | Date |
|---|---|---|
| Configuration.ini | 275 bytes | 25 Feb 2011 |
| LenovoGobi3kSetup.exe | 74.6 MB | 19 Apr 2012 |
| Uncompressed_Drivers/DriverInst.exe | 259.4 KB | 6 Feb 2012 |
| Uncompressed_Drivers/DriverInst64.exe | 295.3 KB | 7 Feb 2012 |
| Uncompressed_Drivers/Drivers/swg3kbus01.cat | 12.0 KB | 19 Apr 2012 |
| Uncompressed_Drivers/Drivers/swg3kbus01.inf | 4.8 KB | 13 Apr 2012 |
| Uncompressed_Drivers/Drivers/swg3kmdm01.inf | 8.6 KB | 13 Apr 2012 |
| Uncompressed_Drivers/Drivers/swg3knet01.cat | 11.0 KB | 19 Apr 2012 |
| Uncompressed_Drivers/Drivers/swg3knet01.inf | 6.6 KB | 13 Apr 2012 |
| Uncompressed_Drivers/Drivers/swg3knm01.inf | 3.5 KB | 13 Apr 2012 |
| Uncompressed_Drivers/Drivers/swg3kser01.cat | 11.9 KB | 19 Apr 2012 |
| Uncompressed_Drivers/Drivers/swg3kser01.inf | 4.1 KB | 13 Apr 2012 |
| Uncompressed_Drivers/Drivers/sys/amd64/swg3knet01.sys | 356.9 KB | 13 Apr 2012 |
| Uncompressed_Drivers/Drivers/sys/amd64/swg3kser01.sys | 259.6 KB | 13 Apr 2012 |
| Uncompressed_Drivers/Drivers/sys/x86/swg3knet01.sys | 301.6 KB | 13 Apr 2012 |
| Uncompressed_Drivers/Drivers/sys/x86/swg3kser01.sys | 216.2 KB | 13 Apr 2012 |
| Uncompressed_Drivers/Drivers/wdf/amd64/WdfCoInstaller01009.dll | 1.7 MB | 14 Jul 2009 |
| Uncompressed_Drivers/Drivers/wdf/amd64/swibus01.sys | 79.4 KB | 13 Apr 2012 |
| Uncompressed_Drivers/Drivers/wdf/x86/WdfCoInstaller01009.dll | 1.5 MB | 14 Jul 2009 |
| Uncompressed_Drivers/Drivers/wdf/x86/swibus01.sys | 66.0 KB | 13 Apr 2012 |
| Uncompressed_Drivers/Drivers/win7net/swg3kloc01.cat | 10.4 KB | 19 Apr 2012 |
| Uncompressed_Drivers/Drivers/win7net/swg3kmbb01.cat | 8.6 KB | 19 Apr 2012 |
| Uncompressed_Drivers/Drivers/win7net/swg3knet01.inf | 6.7 KB | 13 Apr 2012 |
| Uncompressed_Drivers/Drivers/win7net/swg3knm01.inf | 6.7 KB | 13 Apr 2012 |
| Uncompressed_Drivers/Drivers/win7net/sys/amd64/LocationHelper.dll | 873.3 KB | 18 Aug 2011 |
| Uncompressed_Drivers/Drivers/win7net/sys/amd64/swg3kloc01.dll | 83.5 KB | 13 Apr 2012 |
| Uncompressed_Drivers/Drivers/win7net/sys/amd64/swg3kmbb01.sys | 458.2 KB | 13 Apr 2012 |
| Uncompressed_Drivers/Drivers/win7net/sys/amd64/swg3knmea01.sys | 259.6 KB | 13 Apr 2012 |
| Uncompressed_Drivers/Drivers/win7net/sys/x86/LocationHelper.dll | 660.8 KB | 18 Aug 2011 |
| Uncompressed_Drivers/Drivers/win7net/sys/x86/swg3kloc01.dll | 62.0 KB | 13 Apr 2012 |
| Uncompressed_Drivers/Drivers/win7net/sys/x86/swg3kmbb01.sys | 387.1 KB | 13 Apr 2012 |
| Uncompressed_Drivers/Drivers/win7net/sys/x86/swg3knmea01.sys | 216.2 KB | 13 Apr 2012 |
| Uncompressed_Drivers/LenovoPowerManagment.reg | 366 bytes | 21 Dec 2010 |
| Uncompressed_Drivers/ReadMe.txt | 1.9 KB | 17 Dec 2010 |
| Uncompressed_Drivers/installer_parameters.xml | 5.2 KB | 16 Feb 2012 |