Arcadyan WN4501F

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.