• 2022-09-04

Many people have only seen the mobile phone signal jammer at most, but they do not know its working principle. They just think that it is very high-tech and can make the mobile phone lose its signal instantly. Then we can first understand the working principle of the mobile phone signal jammer. It i...

• 2022-09-04

Mobile phones bring convenience to us in our daily life. For example, when the epidemic is serious, we need to show our health code during ordinary travel, or we need to scan the QR code when we pay for things, and then we can call or send messages to people who are not around. At present, mobile ph...

• 2022-09-04

Continuing from last year,  RF jammers with signal jamming function were installed in many examination halls by local examination management organizations as a technical means to prevent college entrance examination candidates from cheating. However, an article titled "the founder of radio freq...

• 2022-08-19

Friends familiar with mobile phone signal jammers should have encountered such a situation. There is an operator's base station near the use site, or an indoor signal distribution system is installed in the corridor. As a result, the interference effect of the mobile phone signal jammer is greatly a...

• 2022-08-19

In recent years, in various national examinations, cases of cheating in examinations using mobile phones have occurred from time to time, which has seriously affected the fairness and impartiality of examinations. Therefore, the state stipulates that mobile phone jammers should be equipped during im...

• 2022-08-19

With the popularity of mobile phones, the demand for mobile phone signal jammers in various meetings and examinations has greatly increased. Therefore, mobile phone signal jamming naturally has a broad market. However, most users lack sufficient understanding of mobile phone signal jammer. In order ...

• 2022-08-14

Before installing the signal shielding instrument in the conference room, it is still necessary to test the interference effect. Here's how to test the interference effect of various conference room signal jammers. When it comes to meeting rooms, they are generally divided into small meeting rooms, ...

• 2022-08-09

When testing the interference effect of the mobile phone signal jammer, people often encounter some problems, which are quite incomprehensible. That is, when the same mobile phone signal jammer is tested in different places, the interference effect will vary greatly. What is the reason for this situ...

• 2022-08-09

The portable frequency jammer can selectively turn on different frequencies according to different use scenarios. Portable jammers can also be divided into trailer type, vehicle type and backpack type according to different types of equipment. Among them, the radio frequency module of the portable j...

• 2022-08-07

Friends familiar with mobile phone signal jammers should have encountered such a situation. There is an operator's base station near the use site, or an indoor signal distribution system is installed in the corridor. As a result, the interference effect of the mobile phone signal jammer is greatly a...