See 'WikiDevi' @ the Internet Archive (MW XML, Files, Images)
upgraded MW to 1.30 - maybe things are slightly less broken
150Mbps Wireless N Nano Router
"2050500200" and "Rev:1.0" is silksscreened on the board in the FCC photos.
This device is assumed to use AR9331.
The FCC label shows the default SSID pattern as Wireless_XXXXXX. The label also states the OUI as 6C:FD:B9 (Proware).