One of the more enigmatic features of the iPhone 4S is a new “intelligent” antenna system designed to switch between two antennas based on what you’re doing.
The new technology effectively doubles maximum data speeds and improves call quality, according to Apple.
But how does it work?
Gizmodo speculates that like the Verizon iPhone 4, which had an antenna on its top and bottom, the iPhone 4S uses this two-pronged approach towards improving call quality.
On the Verizon iPhone, outgoing calls could only use one of its two antennas. On the 4S, outgoing calls could be made using either antenna, depending on which one has a better signal.
This is one of the ways Verizon improves cell phone service: by using antennas on opposite ends of every device to reduce signal distortion.
The AT&T iPhone, on the other hand, only had antennas on its bottom (hence the “death grip” Antennagate scandal). This leads us to think that AT&T users will see a bigger call quality increase than Verizon users.
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