Edimax BR-6228GNS

"1242-01000331-50Z" ( + PCB manuf. text: "MADE IN CHINA", 1148 date code, etc.) is silkscreened on the board in the FCC photos.

This FCC ID appears to cover the... .. or something like that. these model designations don't make any sense
 * BR-6228GNS (fixed dipole antenna)
 * BR-6228nC V2 V2.0A (fixed dipole antenna)
 * BR-6228nC (RP-SMA connector)
 * BR-6228nC V2 V2 (RP-SMA connector)

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