Part Number : MDM6610
Function : This processor is the baseband chip used in the iPhone 4S.
Maker : Qualcomm
Pinouts : 
Description :
Reference Site :
http://theiphonewiki.com/wiki/MDM6610
http://theiphonewiki.com/wiki/Talk:MDM6610
Datasheet PDF Download :
Others datasheet of same file : MDM-6610