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Blocking Cell Phone Numbers When Calling Eliminate Signal Cheating

Perfectjammer 2022/05/29

Blocking Cell Phone Numbers When Calling

As the college entrance examination season is approaching, many schools are facing the problem of preparing for the college entrance examination room, such as the purchase of materials and equipment, which are necessary to maintain the order of the examination room. However, what more schools are now facing is how to prevent the increasingly rampant cheating phenomenon, because some people choose to use "black technology" to use communication equipment to cheat in the examination room. In response to this phenomenon, Blocking Cell Phone Numbers When Calling It also came into being, this kind of equipment can orderly eliminate the occurrence of electronic signal cheating in the examination room. However, many people still don’t understand the principle of this device. In fact, its principle is not complicated. The function of the test signal blocker is to isolate the communication signal of the mobile phone and the 2.4G WIFI signal within the shielding range. This effect can isolate all communication signal cheating methods.

Test room mobile phone signal jammers are generally used in various colleges, gas stations, cathedrals, test rooms, courts, public libraries, conference centers (rooms), cinemas, hospital clinics, public security organs, financial industries, government departments, prison cells , national defense warning signs and other venues that require information security protection. According to statistics, the current test room Blocking Cell Phone Numbers When Calling on the market can limit the mobile phone data signal with a radius of 20 meters such as the radius of the jammer range. The shielding radius is adjustable, covering an area of ​​more than 30 square meters. The mobile phone signal shielding only shields the mobile phone data signal and does not damage other electronic products. Save electromagnetic energy, the output power is 12W--480W. So in this way, students have no other choice but to seriously support the teacher's lectures and achieve the effect we want. After a long period of continuous use, the students will naturally get rid of their bad habits after forming a habit! Now the new cell phone jammer can also block 5G signals, even GPS, WIFI signals, but many people don't know where to get portable cell phone signal blockers.

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