Low-power cell phone signal jammers are commonly used for indoor mobile phone signal shielding under normal circumstances. High-power mobile phone jammers are basically used outdoors, and only a small number are used indoors. They are mainly used to solve the problem of large indoor areas and relatively transparent environments. High-power cell phone jammers are used indoors. When...

Cell phone jammers can not only interfere with mobile phone signals, but also interfere with radio signals in other frequency bands by adding interference modules of different bands. Everyone knows that radio signals can achieve different functions according to the different frequencies used, including GPS, WiFi, etc. Because of the differences in radio technology and standards, as well as the...

Customers often ask in what kind of environment can the effect of the cell phone signal jammer be maximized? Why do mobile phone signal jammers not work well in some places, or the shielding effect is relatively poor? In fact, this is closely related to the electromagnetic environment around the place where the jammer is used. So in what environment will the shielding effect be...

When people choose cell phone signal jammers, they often cannot confirm the quality of the jammers by just looking at the appearance, and they are worried that they will buy jammers of poor quality. Here is how to distinguish the quality of jammers. First, the most intuitive way to distinguish the quality of mobile phone signal jammers is to disassemble the device, from the device shell to...

When using the cell phone jammer, the most basic requirement for the use environment is to have a stable power supply. The most common one is AC 220V mains electricity. Different types of mobile phone jammers can be selected for different use environments. For outdoor use, it is recommended to use a mobile phone jammer with good waterproof performance and fully enclosed shell. In places...

As the most common auxiliary equipment in the examination room, the cell phone signal jammer is a magic weapon to prevent candidates from cheating. According to the different wireless signal interference frequency bands configured inside the jammer, the functions of different wireless signal interference are also different, so how to increase the interference of the wireless intercom...

When using wireless signal jammers and other wireless signal jammers, it must be reasonable and compliant. According to relevant laws and regulations, if it causes a large-scale interruption of other people's communication signals, it is an illegal act. Therefore, in order to ensure people's normal communication rights and the demand for cell phone signal shielding in some places, the use...

For some occasions, the use of mobile phones will bring a lot of troubles, so people will think of installing and using mobile phone signal jammers in places where mobile phones are prohibited, so as to prevent the use of mobile phones and ensure that the mobile phone signals in this area are restricted. Everyone likes to choose some cost-effective products, and mobile phone signal...

Recently, a key device that has been frequently active in major examination halls, I believe many people should know the real role of this device. It is a key device that has been vigorously promoted in school exams of all sizes, which can effectively prevent and prevent candidates from cheating. That is today's protagonist: cell phone signal jammer. All candidates who take the college...

The police frequency jammer purchased by the customer earlier did not originally have the operator's 5G frequency interference module. With the gradual popularization of 5G signals, the police jammers that did not have 5G frequencies cannot shield and interfere with 5G signals, so the jammers must be upgraded to 5G signal frequencies to shield and interfere with 5G frequency signals....