White Cylinder Cell Phone Jammer
However, the road is one foot high and the devil is one foot high. There is a kind of radio monitor that can help you get the White Cylinder Cell Phone Jammer electromagnetic wave signals in those frequency bands that you can’t take care of. Before the start of the test, the signal strength generated by various legal radio wave devices such as mobile phones, radios, and TVs around the test room are recorded in the test room. After the test starts, in the car, suitcase, and office radio monitors. Start all together, you can receive all the signals in the entire radio wave frequency band, when the cheating tool starts to send answers to the examination room, signal jammer There will be "an extra piece" of radio wave signals of unknown origin, and it is difficult for the signals of cheating tools to escape the ears of sophisticated detectors. For example, the most rigorous college entrance examination in history uses drones that bomb the sky to detect signals.
We used to be students in the school, and we know that the school has a box similar to the size of a speaker, which is what we call White Cylinder Cell Phone Jammer . Why do schools install signal jammers? The answer is obvious: signal jammers will block cell phone signals and prevent cell phone use. The main reason for the installation of signal jammers in school equipment is the increase in the number of students using mobile phones. Almost every student has a smart phone. They cannot control the use of mobile phones well. Part of the time is spent on mobile phones. What do they use mobile phones for? Many teachers find that students now mainly use mobile phones to play popular games. Games have become an important part of their lives. Many topics they talk about in daily life are also related to games.