Most cell phones use 3G4G signals, and Smart What Does Puk Blocked Mean On A Cell Phone technology is specifically designed to block 2G3G4G signals. We know that a smartphone jammers is a kind of machine that transmits signals in the same working frequency area of the mobile phone application, and it can block transmission very well according to the strong influence. Another factor is that the mobile phone within the range of the jammer will not know Loss of signal in this case simply means that the acceptance compressive strength is poor.
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In order to prevent the communication data signal from "indiscriminately entering" the postgraduate examination, a mobile phone jammer is installed. Until the last time of the postgraduate examination preparation, college students all over the country are seriously reviewing.
The examination room in the information age is naturally unavoidable from the participation of mobile phone jammers. With this equipment, at least it is impossible to cheat by using mobile phones.
So what kind of equipment is it?
Let me inform you. As far as we know, What Does Puk Blocked Mean On A Cell Phone mainly for various examination rooms, campuses, gas stations, cathedrals, courts, public libraries, conference centers (rooms), cinemas, hospital outpatient clinics, government departments, financial industries, prison cells, public security organs , national defense warning signs and other places where the use of mobile phones is strictly prohibited.
