For a list of all currently documented Realtek chipsets with specifications, see Realtek.
Manuf/OEM/ODM E-TOP WU606n
FCC approval date: 09 September 2010
UPC: 749555068867 (UPC DB, On eBay)
Country of manuf.: Taiwan
Connector: Male A
Form factor tags: nano dongle
WI1 chip1: Realtek RTL8188CUS
Wireless-N Pico USB Adapter
Has WPS Button
This device is presumably the E-TOP WU606n.