TOPLINK TOP-GS04-T

Overview
On Alibaba
 * chipset noted as RTL8188CUS, that's assumed to be correct

"GS04-1T V1", RoHS, and a date code of 4312 (presumably October 2012) is silkscreened on the board in the FCC photos.

An additional model of TOP-GS03-T is specified as being electrically identical in the FCC docs.
 * It appears to be the same dongle w/ a white (instead of black) casing.
 * 'Note: The chipset is specified as being RT5370 on the Alibaba page - multiple chipsets could possibly'' be used by adapters sharing these model names / brands..