By Greg Mills
While everyone knew the Verizon iPhone was going to have a different radio chip than the AT&T iPhone, the new dual band chip set they used wasn't expected until the iPhone 5 by most observers.
The Qualcomm MD6600dual band chips were available and apparently Apple got a good enough deal on them to use in the new Verizon iPhone. That chip has GPS built in, which reduces the cost and complications for including location services.
It appears likely to me that the new iPhone 4.5 will also run on the AT&T network, but not the other way around. The SIM card in the dual band phone is done away with and must be held in ROM or some other method of electronic serial number identification baked in silicon. It will be interesting to see what all this means from a marketing standpoint.
SInce Apple has gone to the new chip that explains what the game plan is. Universal radio chips mean universal iPhones and Universal iPad 2. ...| Read more »