AmbiCom WL1100B-USB

Wave2Net IEEE 802.11b Wireless LAN USB Adapter Product page (via archive.org) Datasheet (via archive.org)

The driver (available via archive.org) for this device references two USB IDs. They are as follows.. The device descriptor for both devices is Wireless LAN USB Adapter.
 * 03eb:7603 (default Atmel AT76C503A + HFA3861 ID)
 * 0cde:0001 (Z-Com XI-750 ID)

A later version driver references only the 0cde:0001 ID with the device descriptor of..
 * AmbiCom Wireless LAN USB Adapter

This device is clearly a Z-Com XI-750.