Check out these links

http://www.wireless.utoronto.ca/setup/drivers/TrueMobile/ug/en/setup.htm

http://supportsearch.us.dell.com/us/en/search/searchResult_refined.asp?SearchString=TrueMobile+1 150&Search_results=&SearchMethod=FREETEXT&sortOrde r=Rank&system=&ct=FILELIB&kbsearch=&search_id=%7BB A4DE8FD%2D64DB%2D424E%2DB438%2D8986C88FD61F%7D&Add sql=&cn=0

http://support.dell.com/us/en/filelib/download/index.asp?fileid=r36935

DSLBiker