Belkin F6D4630-4 v1

Overview
"P/N: 141750520005J REV: 01" and "RoHS" appears to
 * be silkscreened on the board in the FCC photos.

This device is almost certainly Infineon based.
 * The board is using ELCON capacitors.

Probable 00:22:75 OUI (on FCC EUT's board MAC label)..