Many 802.11n adapters use Ralink chips. You can find these on repository sites like SourceForge .
Method B: Manual Installation via Device Manager (.inf files) maxicom 802.11n driver download windows 7
You will see lines of text like USB\VID_148F&PID_5370 or USB\VID_0BDA&PID_8176 . Common Chipset Matches: Many 802