See 'WikiDevi' @ the Internet Archive (MW XML, Files, Images)
upgraded MW to 1.30 - maybe things are slightly less broken
Penguin Wireless N USB Adapter /w External Antenna for GNU / Linux
Product page on ThinkPenguin
While this device appears to be unbranded (at least from ThinkPenguin's photos), I would imagine this adapter is identical to the ALFA Network AWUS036NHA (which is AWB / Accton manufactured).
This device is FSF Certified.