• 2022-04-12

The shielding range of mobile phone signal jammer is mainly determined by the following factors. 1. The transmission power of different frequency bands of mobile phone signal jammer itself. Theoretically, the larger the transmission power, the larger the shielding range. And it is related to the fre...

• 2022-04-10

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...

• 2022-04-09

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...

• 2022-04-06

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 ...

• 2021-11-03

When the mobile phone signal is interfered by the mobile phone jammer, can someone send a text message to me receive it? Many people are concerned about a problem. When the mobile phone signal is disturbed by the mobile phone jammer, can someone send me a text message? Or can you receive the previou...

• 2024-12-06

Nowadays, RF jammers are installed in almost every examination room to prevent candidates from using their mobile phones to cheat during the exam. Careful friends will notice that after using the RF jammer for a period of time after turning it on, the chassis will become very hot. Everyone knows tha...

• 2024-12-06

What is a car mounted electronic jamming device? Today, let's trace the origin and development of this artifact together. At the beginning, in car electronic jamming machines were not actually designed for exam scenarios. The initial application scenario was actually in prisons. In order to ensure t...

• 2024-12-02

With the increasing popularity of mobile phones, more and more users are using them frequently, and many people do not pay attention to the occasion of use, and do whatever they want. In some specific places, such as conference rooms, courts, libraries, schools, etc., it needs to be standardized. Th...

• 2024-12-02

After buying high-quality jammers, many users found that the equipment was not broken, but the use effect was poor. According to the survey, 90% of the people use the equipment incorrectly, which is also the main reason for the poor effect of the equipment. Today we will tell you what to pay attenti...

• 2024-11-23

Many customers have called and said that I need a signal jammer that can block signals within a radius of 50 meters, a distance of 500 meters, and a radius of one kilometer, and that it needs to block all three networks of China Mobile, China Unicom, and China Telecom. Is there a problem with the cu...