Thanks to the progress of social civilization and the rapid development of science and technology, people's living standards are getting higher and higher. Mobile phones have also generally become one of the most commonly used communication tools, and basically everyone has one. Long-term use can easily lead to dependence. For primary and secondary school students, the impact is more important. Playing with mobile phones for a long time is likely to affect their eyesight, and even more seriously, they will waste their studies and even commit crimes.

Since the advent of the mobile phone signal jammer, it has been widely used in examination rooms, schools, prisons and other units, and has also received a lot of praise and trust in the mobile phone wifi jammer. In fact, the mobile phone signal shielding device is no longer a new technology in foreign countries, a new technology. In recent years, it has also begun to sell on a large scale in the domestic market, bringing good news to many places where the use of mobile phones is restricted! The cell phone signal jammer only interferes with the downlink signal of the base station, and will not affect the base station of the operator, nor will it interfere with the normal use of other electronic products! Nowadays, many primary and middle school students, each with a mobile phone, have reached the point where they are extremely dependent on mobile phones. Some are addicted to online games, some are addicted to novels, and some are even browsing some unhealthy, low-level interesting videos or pictures, etc. For the sake of danger, you can search for the answers to the test questions on Baidu. If everyone in the test plagiarizes with a mobile phone, it will go against the purpose and meaning of the test!

So what is the role of the mobile phone signal shielding device in the examination room for the school? In early June every year in recent years, the three major domestic operators will send a text message to the majority of users to remind them that "the national college entrance examination will be held from June 7th to 8th. It greatly affects the communication quality of surrounding users, for the sake of the majority of candidates, please forgive me, and I wish all the college entrance examination students a smooth exam!" The meaning of this text message is to tell everyone: the use of mobile phone signal shielding equipment in the examination room may affect the surrounding of the school. The normal use of residents' mobile phones, mobile phone signal jammers provide schools with a fair and just test environment, allowing candidates to achieve good results in a quiet environment.