See 'WikiDevi' @ the Internet Archive (MW XML, Files, Images)
upgraded MW to 1.30 - maybe things are slightly less broken
Per the (rt2870) Windows driver set provided by Planex, the USB ID for this device is 2019:ed10. Based on the age of the device, it is presumed to be using RT2870+RT2820.
- This cert. is shared with the GW-US300MiniW and GW-US300MiniW-X.