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Home » Drones Use Wi-Fi Signal to See Through Walls
A University of California, Santa Barbara, study demonstrated how unmanned aerial vehicles can use safe, everyday Wi-Fi signals to provide through-wall 3D imaging of unknown areas, including moving or stationary objects.
In the demonstration, two drones flew outside a brick structure with a 3D object within it. The first drone sent a Wi-Fi signal through the structure and the other drone received the signal on the other side, interpreting the signal strengths and mapping out the objects within based on the received signals.