Actually some FM transmitters and most speaker systems get interference from the GSM radio in the iPhone. These new devices have magnetic shielding to prevent this. You get a popup message on the iPhone whenever you plug it into an older device. Clearly you don't have one or you would know this.
Reader Comments (Page 1 of 1)
Sameer Surampalli @ May 30th 2008 2:23PM
What's with the new spread of "iPhone-compatible" chargers? All the old stuff works just fine with the iPhone...
Kraig R. @ May 30th 2008 2:54PM
Actually some FM transmitters and most speaker systems get interference from the GSM radio in the iPhone. These new devices have magnetic shielding to prevent this. You get a popup message on the iPhone whenever you plug it into an older device. Clearly you don't have one or you would know this.