A cell phone jammer is a device that emits signals in the same frequency that cell phones use
Cell phone jammer in the use of very simple, only need to install the corresponding antenna, turn on the switch can shield mobile phone signals corresponding to it.
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How to Find and Buy Cell Phone Jammers Let us first preface this article by saying that cell phone jammers are not legal in all jurisdictions
On legal issues Mobile phone jammer, we can consult the local legal institutions. Not all State can use such devices.