See 'WikiDevi' @ the Internet Archive (MW XML, Files, Images)
upgraded MW to 1.30 - maybe things are slightly less broken
Microsoft Xbox 360 Wireless Networking Adapter
"Omni EV5C Hardware (not for sale)", "SN. OMEV5C-0059 FW Ver. 4.3.9.P1.29.P0", "Lead-Free Yes", Marvell Silicon 8388 A2 / 8030 B1B", and "MAC address 00-0D-3A-7A-DE-5D" is printed on the larger label affixed to the bottom of the board in the FCC photos. "WLU4020-D68(LF)" is printed on a smaller label on the same side.
"17-000793_B" appears to be silkscreened on the board in the FCC photos.