The effective range generated by different powers is different. If it is only a small power, it is generally used in a small open area, which is just enough to meet the size of a classroom. However, if it is required to pass through the wall, it will actually pass through the wall. After that, there is no shielding effect, so if you choose a low-power test mobile cell phone jammer, try not to pass through the wall, you can equip each teacher with one, and choose a high-power one, you can use one machine to meet several classrooms. Generally speaking, there are still many questions about the purchase of mobile phone signal jammers for exams. At this time, you can come to contact us for the price. This is a company with a first-class team for technical support and many years of experience in research and development of mobile phone signal jammers for exams. The manufacturer has been highly praised by many customers who have cooperated with it, and it is trustworthy for eliminating the phenomenon of electronic cheating in the examination room.
Mobile phones do provide convenience for everyone’s daily life, but with the inseparability of mobile phones, many inconveniences have gradually occurred. Colleges do not allow cheating in the process of conducting exams. With the occurrence of mobile phones, students gradually begin to learn to use mobile phones to cheat, but what if they cannot completely solve the existence of mobile phones? It can be seen that mobile phones are not It is only beneficial, and it also adds a lot of distress to everyone’s daily life. At this time, I must have a machine that can block mobile phone signals, that is, a mobile phone signal blocker. The cell phone signal jammer can send out special signals to wake up and block or interfere with the signals associated with the mobile phone and the communication base station, causing the mobile phone to have no signal or to find the Internet service. Error codes make it impossible to recognize the original information.