See 'WikiDevi' @ the Internet Archive (MW XML, Files, Images)
upgraded MW to 1.30 - maybe things are slightly less broken
D-Link DWA-171 rev C1
AC600 MU-MIMO Wi-Fi USB Adapter
This revision has a Wireless Protected Setup (WPS) pushbutton on one side while previous revisions appear not to.
This adapter contains an 8 MiB Winbond W25Q64JV serial NOR flash chip which hold drivers for Windows operating systems.
"WA171" and "BWA171 OC1G" are silkscreened on the board in the FCC photos.