Black Hole Faraday Bag Blocks RF Signals
Have you ever wanted to completely block signals on a smartphone or GPS device? You need a Black Hole Faraday Bag. You can put multiple cell phones, GPS, or tablets inside it to block cell signals, WiFi, and Bluetooth frequencies. The shielded window lets you determine battery life, device state, and signal isolation. These are usually used for evidence seizure. They can be yours for a couple of hundred dollars.via]
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