Intel PRO/Wireless 2100A (WM3B2100A)

Datasheet

"PB C11875-003" is silkscreened on the board in the FCC photos.

Per the FCC photos, this card is using the following...
 * An Intel MAC marked "82531ME", "L2481A71", "(M)(C)2002", "KOREA", 82531ME appears to be Ardon1.5
 * A Symbol baseband processor marked "SYMBOL", "DELAWARE 1.0", "51-23130-130", <???>
 * A Philips SA2400ABE 2.4GHz RFIC
 * An Intel 5GHz RFIC marked "82531RE", "L219J14Q", "Q358ES", "(M)(C)2002", appears to be codenamed Ramon

Driver download - Hardware ID also has the name of
 * Intel PRO/Wireless 2100A LAN Mini PCI Adapter:

PCI\VEN_8086&DEV_1043&SUBSYS_25208086 PCI\VEN_8086&DEV_1043&SUBSYS_25218086 PCI\VEN_8086&DEV_1043&SUBSYS_25248086 PCI\VEN_8086&DEV_1043&SUBSYS_25258086 PCI\VEN_8086&DEV_1043&SUBSYS_25268086 PCI\VEN_8086&DEV_1043&SUBSYS_25508086 PCI\VEN_8086&DEV_1043&SUBSYS_25608086 PCI\VEN_8086&DEV_1043&SUBSYS_25628086 PCI\VEN_8086&DEV_1043&SUBSYS_25638086 PCI\VEN_8086&DEV_1043&SUBSYS_25808086 PCI\VEN_8086&DEV_1043&SUBSYS_25828086 PCI\VEN_8086&DEV_1043&SUBSYS_25838086 PCI\VEN_8086&DEV_1043&SUBSYS_25908086 PCI\VEN_8086&DEV_1043&SUBSYS_25928086