Does anyone have any insight into the iPhone's RF performance? Moving from a BlackJack I have noticed iPhone is a bit better (anecdotally, I have no quantitative evidence) at signal acquisition and strength. Areas where I'd drop I don't drop as frequently. One thing that particularly annoyed me about other phones was that while their radios were busy acquiring a signal or doing hand-offs the UI would freeze (esp Windows Mobile devices!) or become quite sluggish. It seems the iPhone's architecture works around this (ASICs handling this instead of going to the kernel?). Does anyone have any detail on 1) how the iPhone compares from an RF strength perspective and 2) how the iPhone's radio is implemented?