Bluetooth 4.2 promises a connected home more private and powerful

Bluetooth technology has finally reduced intermediate between devices to let them connect directly to the Internet without using a Wi-Fi or other technologies. The devices supporting Bluetooth 4.2, the latest version of the technology, will able to use a router to regain connected online, which means great things for smart homes (smart home) .

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For connected devices such as sensors or bulbs, users can control directly via the Internet, instead of requiring a hub that is not necessarily in ability to support all smart devices in a home. This is a very useful feature if the bulbs and the Smart Thermostat an owner can not communicate.

A more intriguing feature on the Bluetooth 4.2 is the fact that it blocks the beacon technology , on which Apple heavily wagered. More and more manufacturers are using these small sensors without low power consumption wireless and easily concealable, and to send notifications to track users.
The new version of the popular wireless technology allows you to choose if we or not to be tracked. Indeed, the holders of a connected object with Bluetooth 4.2 technology will no longer be tracked, unless expressly authorized. In addition, the new privacy feature also extends the autonomy of the device. Expect more efficient connections between devices equipped with Bluetooth 4.2 chip, with data transfer up to 2.5 times faster, according to the press release. In addition, the size of the transferred packet is multiplied by 10 and the error rate during transmission is reduced with respect to it.

Mark Powell, executive director of the Bluetooth SIG, says that "the Bluetooth 4.2's role is to continue to do the best Smart Bluetooth solution for connecting all the technology in your daily life, personal sensors connected to your home" .

While all of this sounds very enticing, it will take some time before the Bluetooth 4.2 is embedded in connected objects . "The privacy features may be available through updating the firmware, but ultimately depend on the Implementation of the manufacturer " , said a representative of the Bluetooth SIG to Ars Technica .

To take advantage of the increased speed, older Bluetooth devices may require a hardware upgrade.
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