How a Faraday bag works

The value of isolation chambers are well known when you pick up a mobile device in an investigation. It is imperative to maintain the integrity of the data. But how does it all work? Scientifically, the Faraday isolation bag/chamber blocks radio waves from reaching the mobile device. It causes the electrical charges within the device to redistribute themselves.

This video demonstrates on a larger scale, how a faraday bag keeps signals from reaching mobile devices. Like the car’s frame, the bag acts like an isolation cage an blocks the radio waves from reaching the device. And just as the TV host remained unharmed, the cell phone’s integrity remains intact. This ensures that you can extract any information, while maintaining the chain of evidence.


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