See 'WikiDevi' @ the Internet Archive (MW XML, Files, Images)
upgraded MW to 1.30 - maybe things are slightly less broken
Panda Wireless PAU0A
AC600 Dual Band Wireless AC USB Adapter
"5C09 V1.3" is silkscreened on the board in the FCC photos.
The MediaTek chip model is not legible in the FCC internal photos but it is very likely a MT7610U.