Gemtek WL-250F

This device uses an HFA3861 MAC, connected to the host via a TI PCI1410 CardBus controller. It should work w/ hostap_cs / orinoco_cs.. but you will need PCMCIA support enabled / available.
 * The card's PCMCIA device ID is 028a:0002.

"WL-250F Rev.00" is silkscreened on the board in the FCC photos.

It appears to have been the wireless module for an EarthWalk eBuddy (P/N: 76-090004-00).