LW313 802.11n Adapter ralink rt2770 + rt2720 Driver 3.0.2.0
by Sweex8.18732-bitSHA-256 verified
- Manufacturer
- Sweex
- Device
- LW313 802.11n Adapter ralink rt2770 + rt2720
- Driver version
3.0.2.0- Release date
- August 13, 2009
- Supported Windows
- Windows 8.1, Windows 8, Windows 7
- Architecture
- 32-bit (x86)
- File size
- 369 KB
- File name
20289811_3590884ab40ac92f3484c29dd26f29c2fcecb308.cab- Digital signature
- Signed - catalog
lw3x3_7x86.cat - INF version
08/13/2009, 3.00.02.0000- INF provider
- Sweex
- Device class
- Net
- Source
- Microsoft Update Catalog
- Last verified
- July 8, 2026
- SHA-256
39c8af0dfa8421dc61fbfe4ace30317dcb537c5387ab97c8547c966a2cba31e2
Supported hardware IDs (10)
- USB\VID_148F&PID_2870
- USB\VID_148F&PID_2770
- USB\VID_148F&PID_3071
- USB\VID_148F&PID_3072
- USB\VID_148F&PID_2070
- USB\VID_148F&PID_3070
- USB\VID_148F&PID_3572
- USB\VID_177F&PID_0153
- USB\VID_177F&PID_0302
- USB\VID_177F&PID_0313
Compare with your device: Device Manager → right-click the device → Properties → Details → Hardware Ids. If one of the values above matches, this driver supports your hardware.
How to install
- Create a restore point(Start → "Create a restore point" → Create), so you can roll back if anything goes wrong.
- Verify compatibility: your Windows version (Windows 8.1, Windows 8, Windows 7) and architecture (x86)must match this driver, and your device's Hardware ID should appear in the list above.
- Download the file using the button - it comes directly from Microsoft Update Catalog.
- Optionally verify the checksum: open PowerShell, run
Get-FileHash your-download.cab -Algorithm SHA256and compare with the SHA-256 above. - Extract the .cab archive: right-click → Extract All, or run
expand -F:* file.cab C:\driver\in Command Prompt. - Install via Device Manager: right-click your device → Update driver → Browse my computer → point to the extracted folder. Alternatively run
pnputil /add-driver C:\driver\*.inf /install. - Check Device Manager: the device should show no warning icons, and the driver version should match.
How to roll back
If the device stops working after the update: Device Manager → right-click the device → Properties → Driver tab → Roll Back Driver. If the button is greyed out, use the restore point from step 1 (Start → "Recovery" → Open System Restore).