Edimax BR-6428GnS v1 (??)

"1242-00000309-50Z_ES" is silkscreened on the board in the FCC photos.

The FCC test report lists the following models as covered by this FCC ID...
 * BR-6428GnS
 * GR-428GNS
 * BR-6428nS

The power adapter specified in the FCC test report is a
 * DVE DSC-6PFA-05 FUS 050100
 * (100-240VAC ~ 50/60Hz, 0.2A -> 5VDC, 1A).