See 'WikiDevi' @ the Internet Archive (MW XML, Files, Images)
upgraded MW to 1.30 - maybe things are slightly less broken
Microsoft Xbox 360 Internal Wireless Module (1399)
The FCC documents would indicate that this was meant to be used as an internal wireless module for some Xbox 360 models.
"WLU6150-D68 rev 4" and "08B1-17030MS(WLU6150-D68", "(RoHS)", "Rev4.0)" is silkscreened on the front of the module.
- "Atheros Communications (C) 2010" and "CUS126-250-01780-080" is silkscreened on the back of the module.