The bad news is we can confirm that most homes are full of radio waves. Every Wi-Fi device, smart home gadget and smartphone is constantly sending and receiving them. The good news is that one company has figured out how to use all that digital noise to help secure your home.
“Everything in your house is somehow wireless,” said Cognitive Systems co-founder and Director Taj Manku, Ph.D. “When you think about how much is in your house, it’s actually quite amazing.”
This pleases Manku, because his company figured out how to use those radio waves, or the displacement of them, to detect movement. The breakthrough led to the creation of Aura, a most unusual motion detection and home security device.
Consisting of a tissue-box-sized hub and one wall-wart sensor device, the Aura system can see frequency signatures ranging from 680 MHz to 4 GHz (performing constant wireless spectrum analysis), covering essentially every wireless signal currently used for communication.
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