See 'WikiDevi' @ the Internet Archive (MW XML, Files, Images)
upgraded MW to 1.30 - maybe things are slightly less broken
TP-LINK TL-WN822N v1
"2052500258" and "Rev:1.0" is silkscreened on the board shown in the images below.
The USB ID for this device is either 0cf3:1002 or 0cf3:9170..
Additional specs from TP-LINK
Wireless Transmit Power: 20dBm(MAX. EIRP)
Receiver Sensitivity (without antenna):
270M: -68dBm@10% PER
130M: -68dBm@10% PER
108M: -68dBm@10% PER
54M: -68dBm@10% PER
11M: -85dBm@8% PER
6M: -88dBm@10% PER
1M: -90dBm@8% PER