Today is an era of 5G, and people’s demand for the network is getting higher and higher. Mobile phones are a ubiquitous network product. However, solving network leaks is now a top priority. For example, schools, prisons, detention centers, some controlled personnel use illegal mobile phones to endanger normal order, and various security institutions such as banknote printing factories, confidential rooms, etc., because of the hidden dangers of using mobile phones, we need our mobile phone jammers to stop them. prevention. The mobile phone jammer is not only aimed at smart network products carefully developed according to the domestic mobile communication situation, it can internally block GSM/CDMA/DCS/PHS/PCS mobile phone signals, so that mobile phones in the area cannot make and receive calls, and will not interfere with the environment. Other electronic devices work. When the mobile phone is far away from the shielding range, normal use can be restored. Therefore, the mobile phone signal device is an indispensable security measure in the future Internet era. There is a huge market demand. How to ensure our confidentiality in the network age still needs a mobile phone signal jammer, so the future mobile phone signal jammer market is very promising.