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Zorixxx 21/01/2020
Frankly a little disappointed with the quality of the product. Home router wifi 2.4GHz and the GPS signal blocks well for around 10 meters radius. But in order to block 2G, 3G and LTE (4G), all switches must be on and not a specific one. Blocking at best for 5 meters radius and still more often allowing the cell phone to work normally with the cellular network (checked with iPhone 5 SE, up to 10 meters away ). Above 5 meters not blocking cellular network at all . The best results when the unit is connected to the power supply and not with the internal battery
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