The uPAC-STS is a device made by PAC Audio that is outdated and has been replaced by a newer version from the same company for the same price.
http://www.pac-audio.com/productDetails.aspx?ProductId=669&CategoryID=22
Compatibility Notes
IMPORTANT NOTICE!
This product is not compatible with iPhone or iPod touch running iOS 4 (6-21-10).
Vehicle MUST be either equipped with, or have the ability to support Satellite Radio
Non-Navigation radios require dipswitch two to be on
Adding HD Radio requires the purchase of the HDRT (sold separately)
Adding Satellite Radio requires the purchase of the uPAC-SIRCBL & an SCC1 tuner (both sold separately)
Product Revision History
Current Revision #: 1.3.778b Description: Adds 2010 & 2011 applications & improves general functionality
Revision #: 1.3.723b Description: Universal File
Revision #: 1.3.670b Description: Adds iPhone & iTouch 3.0 Operating System Compatibility
Revision #: 1.3.637b Description: Adds SCC1 Satellite Radio Support & Compatibility for 2009 Navigation Radios
It has been superseded by the iSimple Audio Gateway:
ISGM-574
http://pac-audio.com/productDetails.aspx?ProductId=906&CategoryID=36
Compatibility Notes
Vehicle MUST be either equipped with, or have the ability to support Satellite Radio
HD Radio support requires the purchase of the HDRT (sold separately)
Aftermarket Satellite Radio support requires the purchase of the ISSR11 & an SCC1 tuner (both sold separately, Canadian SCC-1C is not supported)
Product Revision History
Current Revision #: .817b Description: Universal File
Revision #: .816b Description: Universal File
Revision #: 1.5.788b Description: Fixes issues seen with iOS 4.1
Revision #: 1.5.778b Description: Improves General Functionality
Revision #: 1.5.723b Description: Initial Release