Aluminum foil improves WiFi signal
2017-11-13
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A study confirms that aluminum improves the quality and power of the signal
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It is a concept that more or less we all have clear in our heads: the more clear the path of the WiFi signal, with more power and quality will reach the devices. Those who have investigated a little more in the matter also know that the kitchens, by their interferences and metallic materials, are a major obstacle in the distribution of the wireless signal.

In the same way, what is an obstacle, can become the best ally when it comes to distributing the WiFi signal throughout the length and breadth of our home. In this sense, a group of researchers from Dartmouth University has come up with the scientific way to achieve two objectives at the same time: to extend the quality and power of the signal wherever it is necessary and to minimize the risk of attacks, preventing it from leaving areas where it is not necessary.

And do not get too crazy: the principle is to place a deflector covered in aluminum foil (yes, the one you have in the kitchen) and place it on the router as an antenna; the part located behind the homemade deflector, will be in 'shadow', while the front, will take the bulk of the signal, making it comes with more power and quality. In the same way, we can block with this method the possible leakage of Wi-Fi to areas where it is not necessary (the street or the neighbor's house) and thus reduce the risk of an attack.

This is the solution of walking around the house, but this team has gone further by creating a baffle printed in 3D and at the same time, an algorithm that calculates how to place it and what characteristics it must have to achieve the goal successfully.
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