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3G And 4G Cell Phone Jammer

Perfectjammer 2021-06-29

3G And 4G Cell Phone Jammer

People's attention is severely distracted, and time is cut into fragments. Not to mention the whole time of a meeting, even if it is more than ten minutes without looking at the phone, many people are not at ease. Some netizens described that the most painful thing nowadays is not "the distance between life and death", but "the phone has no power, no internet, no signal". In a conference that should be serious and efficient, we are also used to seeing too many "low-headed landscapes": he is brushing his mobile phone when he arranges work on the stage; he is brushing his mobile phone to convey the spirit on the stage; he is still brushing his phone when he calls for interaction on the stage. Cell phone. Really busy managing everything, can't stop for a moment? I took a closer look and found that there are not many electronic offices. Most of them are browsing Moments, or even visiting online stores and playing games. If you want to give these people a portrait, it is more appropriate to "read only the mobile phone screen and ignore the meeting." Such an absent-minded participation in the conference is of course difficult to put into the meeting agenda, so some people proposed to install 3G And 4G Cell Phone Jammer during the meeting. cell phone jammer

At the beginning 3G And 4G Cell Phone Jammer When it appeared, everyone was happy. At the beginning, the mobile phone signal jammer was not actually set up for the exam scene. The initial application of mobile phone jammers was actually a prison. Prisons need physical and information isolation. In order to ensure the security and privacy of information in the prison's high-wall compound, it is necessary for the prison to isolate the communication signals between the prison and the prison. This is the original intention of the signal jammer. When the mobile phone signal jammer was first invented, the whole world only developed into the 2G era. At that time, although there were three domestic operators, the mobile phones used the second-generation network communication technology. The communication frequency of mobile phones used by manufacturers of different standards is not bad.

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