For a list of all currently documented Ralink chipsets with specifications, see Ralink.
Manuf/OEM/ODM Alpha Networks WUS-N04
FCC approval date: 03 March 2008
Country of manuf.: China
Connector: Male A
Form factor tags: dongle
Valid replacement for Samsung WIS09ABGN adapters (confirmed at least in 2010 C-models).
Take care, as there's a new V3 version that is not compatible with Samsung TVs!