Originally Posted By: tman
The GPS is part of the 3G radio. A lot of the high end phone chips include GPS functionality now.

The iPhone 4 CDMA edition was unique in being the first Apple mobile device to use the GPS support of the cellular baseband chip. The iPad and previous phones had a separate AGPS chip tied into the device. Though I doubt the cost reduction of removing a dedicated chip will be passed onto the consumer in Apple's case since they stick to the same price brackets generation after generation.