In recent years, the changes in 4G-5G and the development of mobile communication devices have enriched people's daily lives and greatly promoted social and economic development. At the same time, the unrestrained use of mobile electronic devices such as mobile phones has caused headaches in some test places, private places and confidential units. The use of mobile phone jammers can effectively shield Mobile phone signal signals, and solve the problems caused by using mobile phones.

At certain times, smaller communication devices become eavesdropping tools, and when someone maliciously uses them to access important lectures and conferences, financial venues, and classified agencies and units, it can cause the leakage of important documents and personal information. Similarly, using mobile communication devices such as mobile phones to search for exam answers and transmit information online during exams seriously undermines the order of the exam venue and affects the fairness of the exam. To put it more seriously, criminals also use communication devices such as mobile phones to commit crimes, causing social panic, and so on.
Of course, the use of communication devices often relies on signal transmission, and mobile phone jammers mainly utilize this to quickly solve the problems caused by mobile communication devices such as mobile phones. The mobile phone jammer uses signal interference technology to block signals in the protected area, causing the phone to lose communication function and preventing cheating during exams and leaking conference content.