For a list of all currently documented Harris chipsets with specifications, see Harris.
For a list of all currently documented Intersil chipsets with specifications, see Intersil.
11Mbps Wireless LAN Card
"121/00", "M6-A2424-A02", "PATENT PENDING", and "MADE IN TAIWAN R.O.C." appears to be silkscreened on the board in the FCC photos.