For a list of all currently documented Ralink chipsets with specifications, see Ralink.
Guillemot Hercules HWGUSB2-54V2-AP
Manuf/OEM/ODM Edimax EW-7318Ug v1
FCC approval date: 19 December 2006
Country of manuf.: China
Connector: Male A
Form factor tags: dongle
WI1 chip1: Ralink RT2571W
Product page, Drivers
kismac ticket adding the ID (w/ OUI)
The Hercules FCC ID is NAM5090178. The Edimax FCC ID (not likely printed on the unit) is NDD9573180519.
"1244-00000484-01Z" is silkscreened on the board in the images below.