Bluetooth signal is very useful in some situations, but when we prevent some peeping incidents that often needs to phone signal jammer
In some places sell desktop gsm jammer, they are wider, more power, and some can even reach a few kilometers
GPS is a geographic positioning system, it's there to provide a lot of convenience, but not everyone needs to be chased, so the birth of GPS Jammer
Buy a Cell phone jamming is illegal in some countries. You have to admit this kind of thing in the wrong hands some of the tools will become an offense.
Why can not we use the cell phone signal jammer in public places, such as public transport vehicles. Is it illegal to do?
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