For a list of all currently documented Atheros chipsets with specifications, see Atheros.
(Est.) release date: May 2011
Country of manuf.: China
WI1 chip1: Atheros AR9227
300M Wireless N Mini PCI Module
"1104023561-3.0", "Rev:1.0sp1", and a date code of 1118 (May 2011) is silkscreened on the card shown in Proware's sample image.
This device is assumed to use AR9227.. but AR9223 could possibly still be used.