Aironet not currently documented.
For a list of all currently documented Intersil chipsets with specifications, see Intersil.
Cisco Aironet 340 series,
11 Mbps Wireless LAN Adapter
This card has an additional P/N of 800-08993-01.
"PCB-510-004740 REV B A0-410-004740 FAB B0" and a date code of 2800 is etched onto one PCM342's board.