For a list of all currently documented Intersil chipsets with specifications, see Intersil.
Wireless LAN 802.11b/g Device
This device would appear to be an internal wireless module for some HP desktop computers.
Per the FCC photos...
- The card has two antenna connectors. The external jack is an RP-SMA connector. The internal jack would appear to be an MMCX connector.
The USB ID for this device is assumed to be 083a:8541.. but the .inf file also has and ID of 083a:8542 with a Germany country code.