For a list of all currently documented Ralink chipsets with specifications, see Ralink.
"WUBR-207GN_V01 ENG-A10-4001R RoHS" is silkscreened on the board in the FCC photos.
A label with an 00:1D:73 (Buffalo) OUI is affixed to the board in the FCC photos
Multiple Wi-Fi Alliance cert. IDs - WFA6950 (12/15/2008) and WFA7319 (04/02/2009)