Where is the cell phone signal jammer suitable for?

In many occasions in life, such as exams, meetings, etc., using mobile phones is very inappropriate. At this time, in addition to seizing the mobile phones in advance, you can use a cell phone jammer to block the mobile phone signal and Wi-Fi within the range of specific occasions. The signal is shielded. Without the mobile phone signal and Internet signal, everyone will not play with the mobile phone. This will achieve the expected effect very well. The invention of mobile phones has indeed shortened the distance between people and brought great convenience to people’s lives. However, with the popularity of mobile phones, people have basically reached the point where they can’t leave their bodies, which gives many The occasion brought great disadvantages. Therefore, the market for mobile phone signal jammers has also emerged.