• 2022-04-21

Recently, a customer asked whether the Police Wireless Signal Jammer should be equipped with omni-directional antenna or directional antenna? The police wireless signal jammer is mainly used for auxiliary equipment used by the police in dealing with some special tasks, such as collective mass events...

• 2022-04-20

With the progress of social civilization and the rapid development of science and technology, people's living standards are becoming higher and higher. Mobile phones have also become one of the most commonly used communication tools, basically one for each person. Long term use can easily lead to de...

• 2022-04-18

The police in many cities are basically equipped with a signal jamming vehicle. The main core component in the signal jamming vehicle is the jamming host, which is composed of multiple RF modules. The signal jamming vehicle can also selectively turn on some RF modules according to different tasks. T...

• 2022-04-13

Since the mobile phone signal jammer came into the market, it has been trusted by the examination room and other authorities and governments. Do you know the role of mobile phone signal jammer? What are the best-selling mobile phone signal jammers? Now let's introduce how to choose the mobile phone ...

• 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...

• 2024-09-14

The difference in the shielding effect of mobile phone jammers on mobile phone signals from different operators is due to the differences in the transmission power of signals in different frequency bands of the base stations of China Mobile, China Unicom, and telecommunications operators, the number...