• 2022-11-27

Nowadays, with the development of science and technology, more and more people use mobile phones to cheat. Every time they take an exam, there will be some people who practice favoritism and fraud. This has become an increasingly important issue for the education sector. In order to ensure the safet...

• 2022-11-27

With the popularity of mobile phones, its arrival brings convenience to people's daily life, and it is inevitable that some people will maliciously use mobile phones to engage in some bad behaviors. For example, in the past, cheating in exams was mainly done by typing notes and carrying notes into t...

• 2022-11-27

The shielding distance of the telephone jammer depends not only on the efficiency of the equipment itself, but also on the actual site terrain, nearby base stations, building materials, and whether there are unnecessary obstructions. For example, when the signal passes through reinforced concrete, g...

• 2022-11-26

Before installing the frequency jammer, it is necessary to test the shielding effect. After testing, it can be determined whether the frequency jammer meets the shielding requirements of the whole conference room, and the number of shielding devices needed in the conference room can be determined. B...

• 2022-11-24

We often receive more questions from customers, that is, the on-site signal is relatively strong, and the shielding distance of the signal jammer is relatively short. How should we solve this problem? How to improve the shielding effect? This situation has a high probability for manufacturers of sig...

• 2022-11-24

Now many schools are busy preparing for the examination room. This is because the annual most important exam is coming. In the face of this most important examination, many schools are actively preparing for the layout of the examination room to ensure the normal order of the examination room and me...

• 2022-11-24

At present, many schools have installed the mobile phone jammer. However, after installing the mobile phone jammer, they are most worried about whether the mobile phone jammer will be used for too short a time. The mobile phone jammer will heat up when it is used, which is a normal situation. The el...

• 2022-11-24

The effective shielding range of high-power signal jammer will be different in different use sites. This is closely related to the on-site signal field strength, that is, the distance of the on-site base station. The shielding range of different mobile phones at the same site is not necessarily the ...

• 2022-11-24

In order to safeguard the interests of the vast majority of examinees and improve the fairness of the examination, necessary restrictive measures must be taken against the cheating of a few people. The examination management department has adopted the practice of installing network jammers. So, how ...

• 2022-11-20

The emergence of mobile phones has both advantages and disadvantages. The development of technology has brought convenience to people, but also brought some unnecessary trouble. For example, students want to cheat on their mobile phones during exams; The custodians in the detention center use mobile...