Mobile phone abuse has always been a major concern for us

Passive shielding refers to measures such as using wallpaper or building materials with embedded metal pieces to prevent cell phone signals from entering or leaving a room. Some buildings inadvertently block radio signals due to their thick concrete walls and steel frames.

Indoor location tracking applications have a variety of uses, including improving grocery sales, optimizing logistics, enhancing mobile gaming experiences, and facilitating navigation within large shopping malls or international airport terminals. While it is possible to track the indoor location of a device, it is challenging to obtain accurate results. The experiments were conducted in a tunnel less than 1,400 meters underground at a zinc-copper mine in central Finland. In this unique environment, the system was able to identify itself using mineral deposits and other anomalies that affect the Earth’s magnetic field. Best-selling GPS jammers and WIFI jammers in Europe and America.

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