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Chapter 1. This Is the iPhone 4S > One Chip: Worldwide, Faster, and with Intell...
One Chip: Worldwide, Faster, and with Intelligent Antenna
The iPhone 4S has a cell phone chip that should make it possible to roam on networks worldwide. The iPhone 4S can be used both in the GSM and CDMA networks.
Theoretically, you can now reach speeds of 14.4 Mb per second. The iPhone 4 could manage only 7.2 Mb.
The new antenna design makes it possible for the iPhone 4S to intelligently switch between two antennae to achieve the best sending and receiving performance.
