SMC SMC2862W-G V.2

Overview
"MADE IN TAIWAN" and "P/N:141450120007J REV:01" is silkscreened on the board in the FCC photos.

GlobespanVirata / Conexant GW3887IK MAC/BB (Intersil ISL3887)

http://www.suzukituning.com/Electronics/SMC2862/SMC2862.htm

SMC P/N 99-012084-374 (99-012084-312 on SMC's chipset chart)