Microsoft Xbox 360 Wireless Networking Adapter

Overview
"17-000793_B" appears to be silkscreened on the board in the FCC photos.
 * "WLU4020-D68(LF)" is printed on a smaller label on the same side.

"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.

Links of Interest

 * Libertas on OLPC Wiki
 * WiFi Adapter on Free60 Wiki