See 'WikiDevi' @ the Internet Archive (MW XML, Files, Images)
upgraded MW to 1.30 - maybe things are slightly less broken
"WUBI-119AGL_V01 109-502-1100" is silkscreened on the board in the FCC photos.
WUSB54AG serial numbers appear to start with MI2.
This device may use U-NII-2 channels but does not implement DFS since it predates the FCC requirements.