Nissan's Great Britain division has introduced a new technology called Signal Shield, aimed at improving on-road safety. Still in concept stage, the Signal Shield is essentially a box placed right beside the driver's armrest. It uses a Faraday cage, made of network-intercepting wire mesh to prevent a smartphone from retaining network connectivity, once the device is placed inside the box. The mesh, made of conductive material, receives any electromagnetic signal and routes it across the box, thereby preventing the phone from accessing any network.
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