This is a driver pack for USA models of the VAIO UX with a SIM Card. If your VAIO UX has a SIM Card, it has the Cingular WWAN module which needs this  driver pack.

The file is mirrored on my site. All credits go to the original author!

Original file source:

http://web.archive.org/web/20130814235047/http://www.micropctalk.com/files/windows-xp/driver&application-packs/WWAN-Pack-v1.2.rar