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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
Recently, a customer asked this question: The original cell phone jammer in the unit has a good shielding effect on smart phones, but the shielding effect on elderly phones is not very good. Why is this?First of all, according to the principle of mobile phone jammer, what the cell phone signal jammer interferes with is the communication signal between the base station and the mobile phone. It has nothing to do with the brand and model of the mobile phone. However, due to different mobile phone manufacturers, differences in ... 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
A cell phone signal jammer for sale instrument in the form of a backpack, usually also called a portable mobile phone signal jammer instrument, is mainly used in outdoor environments or in the handling of temporary emergencies. Because it looks like a travel backpack, a normal adult man can Can be carried anywhere. Then the customer’s problem comes. When this backpack-type cell phone signal jammer instrument is carried on the body, the many antennas on the device are really close to the human body, especially the brain. In ... more
Now, in our life, the mobile phone is the most important. We carry our cell phones with us, but the cell phones are always making noise. Therefore, we have developed signal jammers. To get rid of cell phone noise problems in these places, we need to use cell phone jammers. It has anti-cell signal technology that disables all cell phones within a certain working distance. At the same time, this cell phone jammer will not damage cell phones and any other electronic devices. Just turn on the device while blocking the signal, a... more
How to detect wifi jammers? It's easier than you think! There are several ways to detect interfering devices: signal strength, data rate, transmission time, and detection alarms. In this article, I will briefly describe each of these methods. If you're worried about being targeted by WiFi jammers, you'll be happy to know you're not alone.signal strengthUsing the suggested multi-mode scheme, you can detect the presence of wifi jammers. The proposed model integrates PDR and signal strength when determining whether the network is under ... more
I live in a residential building. We have a public room. We have to cross this corridor to reach the door of our apartment. My neighbor is very paranoid. They installed Belkins NetCam on it and laughed at all the rumors that came and went. I need to use cell phone jammers to help stop them.You know, sometimes the neighbors are really bad, and we get a lot of complaints! They deliberately spy, watch TV is too loud and steal internet traffic. But you should know that there are solutions to your hearing problems!We also recent... more
