See 'WikiDevi' @ the Internet Archive (MW XML, Files, Images)
upgraded MW to 1.30 - maybe things are slightly less broken
TP-LINK TL-WA730RE v2
"2053500038" and "Rev:1.0" is silkscreened on the board in the FCC photos.
OpenWrt Chaos Calmer 15.05.1 can run on this device; flashable to device and fully operational, after preparation: modified header of OpenWrt ar71xx for TL-WR740Nv4 firmware .bin file, from 07400004 to 07300002.