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One of the happy news yesterday was instead one absent in the presentation, because although at no time mentioned in the mouth of Phil Schiller, the iPhone 4S is the first Apple mobile, and the first in the market, communications technology to integrate Bluetooth 4.0, in a similar way as they do to the new MacBook Air and Mac mini. far from being a secondary issue, may have some advantages that we will explain.
If we go to the specifications table on page iPhone 4S from Apple will see that under the list section of this new connectivity is improved communications protocol Bluetooth. the fourth version of this standard is defined as a low-power Bluetooth because this is perhaps the most important factor in your setup. Thanks to a very low consumption of the chip that enables (less than half of the classic), Bluetooth 4.0 device could be for more than a year working with a single power button battery. this translates to longer battery when you use this technology.
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The new technology also reduces the latency of the Bluetooth communication to six thousandths of a second compared to the current 100 milliseconds, making the system much more viable in multimedia applications where a quick synchronization is vital. besides the standard evolved improves security and robustness of the radio signal. although past performance, Apple has not forgotten to offer compatibility with the classical protocol and that is why the chip is dual, changing the traditional Bluetooth 4.0 when necessary.
Knowing the extensive use that many users do Hotspot function for example, to connect the computer to the iPhone and surf the Internet and using the 3G network, this low power requirement will enable greater use of this tool when plugged into a MacBook Air or Mac mini also already integrated chip. something similar can be said for hands-free devices with Bluetooth 4.0, with the iPhone 4S will last longer without recharging. In fact, are becoming more sensitive devices that subscribe to this technique to communicate with other devices, especially medical items.
In return, the low power version provides a limit on the distance to half of previous generations (50 meters versus 100) but this is something that most of us never notice. For all considered it is expected that from now on they start to adapt some supplements to take advantage of this new circumstance.