See 'WikiDevi' @ the Internet Archive (MW XML, Files, Images)
upgraded MW to 1.30 - maybe things are slightly less broken
Dell Wireless 1515 (DW1515)
DW1515 / DW 1515
Dell's drivers cite the device as having three subsystems. They are listed below..
This module appears to be used in.. 
The subsystem is assumed to be 168c:0200.