Billionton USBWLZ

Overview
..."401-0010 V0.2" (or something) and the PLOTECH logo is silkscreened on the board in the FCC photos.

Additional specifications, per the FCC manual, follow...
 * RF Output Power: 15~17 dBm
 * Receiver Sensitivity: < -80 dBm @ 11Mbps (PER < 0.05)