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Let us look at Cell Phone Jammer is how it works.
Some people use WIFI when disregard the feelings of others, so I think sometimes need to have Wifi Jammers used against these people.
I can not admit that sometimes you have to use illegal means to prevent the use of some signals, similar to the invigilator in the examination room, this time we need to use a Cell Phone Blocker
As the largest cellphone jamming Factory, we provide full range of equipment and services.
How to make a cell phone jammer? In China to buy a small module, so you have a test board, and can be assembled according to their needs a 4g jammer.