For a list of all currently documented Ralink chipsets with specifications, see Ralink.
Manuf/OEM/ODM Edimax EW-7711HPn
FCC approval date: 28 July 2010
(Est.) release date: 18 June 2010
UPC: 603992506910 (UPC DB, On eBay)
Country of manuf.: China
Connector: Male A
Form factor tags: dongle
Antenna connector: RP-SMA
Product page and Drivers
Device is an Edimax EW-7711HPN.
mention on kismac-ng forums