Linksys WPS54G v1

"4900PJ00C" is silkscreened on the board. Probable OEM SerComm

There is a NEC USB controller on-board.

Links of Interest

 * [[media:Linksys WPS54G-Datasheet.pdf|Datasheet.pdf]]
 * [[media:Linksys WPS54G-Quick Install.pdf|Quick Install.pdf]]
 * [[media:Linksys WPS54G-User Guide.pdf|User Guide.pdf]]
 * On the OpenWrt forums

Pictures
FCCID