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There are several key reasons for using cell phone jammers in exam rooms, all related to maintaining the fairness, security and order of the exam.Preventing cheating: The main purpose of using mobile phone signal jammers in examination rooms is to prevent candidates from cheating using their mobile phones. Cheating on mobile phones may include looking up answers, transmitting information, using stored information, etc. These behaviors can seriously undermine the fairness and accuracy of the exam. By blocking mobile phone si... more
Generally speaking, the minimum range of a signal jammer is tens of meters in radius. As long as there are enough jammers, the maximum range is unlimited. Otherwise, how can the prison shield all signals? The range of the mobile phone signal jammer depends on your frequency modulation range. One unit is enough for a house of about 100 square meters. Shenzhen Texin Electronics has a variety of jammers that you can check out.The shielding range of a mobile phone signal jammer is based on the power of the jammer. If tested in ... more
A signal blocker in the examination room is a device used to prevent candidates from cheating using mobile devices such as mobile phones. It emits radio interference signals so that mobile phones and other mobile devices in the examination room cannot be used normally, thereby ensuring that the examination is conducted fairly and impartially.This equipment is usually purchased by the school or education department and installed in the examination room before the examination. Its working principle is to block the communicati... more
A signal blocker in the examination room is a device used to prevent candidates from cheating using mobile devices such as mobile phones. It emits radio interference signals so that mobile phones and other mobile devices in the examination room cannot be used normally, thereby ensuring that the examination is conducted fairly and impartially.This equipment is usually purchased by the school or education department and installed in the examination room before the examination. Its working principle is to block the communicati... more
There are many power supply methods for 5G jammers. First, they are classified according to the size of the radio frequency transmission power. The power supply methods of 5G mobile phone jammers in different categories are roughly as follows:1. High-power 5G mobile phone jammer (transmitting power greater than 50W): usually powered by AC directly. Because the power supply of this type of product consumes a lot of power, AC power supply can provide sufficient power to the device;2. Medium-power 5G mobile phone jammer (transmissi... more
There are several ways to test the effectiveness of cell phone jammers in the examination room. Among them, the simplest and most effective method is to directly test the power, shielding range and other data of the signal jammer in the examination room through a spectrum analyzer. If you do not have professional electronic equipment, you can also use multiple mobile phones, walkie-talkies and other communication equipment with multiple frequency bands and different models to conduct field testing of mobile phone signal jam... more
