With the rapid development of science and technology, smart phones are closer to our work and life, and people's living standards are gradually improving. Of course, the popularity of mobile phones will also be used by some criminals to achieve their illegal activities. At this time, the mobile phone signal jammer will come on the stage. As we all know, the interference range of the mobile phone signal jammer is limited. 

What are the factors that affect the interference effect of the mobile phone signal jammer? Next, we will introduce in detail:

1. The jamming effect of the so-called mobile phone signal jammer is whether there is a blind area in the jamming area. There may be a base station or mobile phone signal amplification system near some examination halls. These two devices have the greatest influence on the interference range of the mobile phone signal jammer. In order to achieve a good interference effect, more powerful equipment may be required to deal with it, and the cost will increase accordingly.

2. The service time of the mobile phone signal jammer without failure. If the expected stable operation time of the equipment in design is one year, but in actual use, it can reach two years or more, then the cost performance ratio is very high.

3. External interference suppression of mobile phone signal jammer. If the suppression of external interference can be done well, not only in the area where the interference is intended, but also in the cell phone signal, which can be ignored, then a lot of external disputes can be reduced. The use of the jammer is convenient, and the time users should spend on interference disputes can also be reduced.