Netis WF2503

Overview
"PB-784-M04G-20" and "2011-04-03" appears to be silkscreened on the board in the FCC photos.

FCC photos appear to show the device with a RTL8188RU chip. Since the device uses the CU driver set, this is presumed to be correct.

USB ID may be 0bda:817f, 0bda:317f, or something else..