I found this article on an Italian forum I follow and quickly opened macrumors sure to find some more detail... But seems to me there's nothing here...
http://www.theapplelounge.com/iphone/iphone-5-foto-nuove-componenti/
Longer iPhone seems every day more real to me
.... :-(
http://www.theapplelounge.com/iphone/iphone-5-foto-nuove-componenti/
Longer iPhone seems every day more real to me