FCC approval date: 05 January 2009
Country of manuf.: China
Interface: USB (non-standard connector)
For a list of all currently documented Ralink chipsets with specifications, see Ralink.
"47EPC005101RARD(Rev0.2)" appears to be silkscreened on the board in the FCC photos.
This device is assumed to use RT3070.
Assumed 00:05:7B OUI (it's on the FCC label)