• 2022-12-18

In some important tests, signal jammer, as a powerful tool in the test, has played an important role in the test in order to ensure the fairness of the students' test. However, there will inevitably be some accidents in the use. How can we reduce the accidents. The interference range of the signal j...

• 2022-12-18

With the development of science and technology, such inventions as mobile phones have been born to make life more convenient. After entering the high-speed information age, mobile phones have more functions. Many people use them to watch movies and chat, but some people intend to use the convenience...

• 2022-12-11

At present, signal jammers are widely used in conference rooms, schools and detention centers, which can be said to be widely used, mainly to shield the signals of mobile communication equipment. Nowadays, with a mobile phone, the information sent can be spread to any corner of the world instantly t...

• 2022-12-11

How to choose the right shielding devices in the market? Are there any problems to avoid? How to normally consider the differences of shielding products and avoid pit mining? First, we need to know the coverage and power of this frequency jammer. If possible, we'd better test the field signal. Compa...

• 2022-12-11

The strong mobile phone signal on the site is generally due to the close proximity of the surrounding base stations and the installation of an indoor mobile phone signal distribution system in or around the building, referred to as a mobile phone signal amplifier. According to the working principle ...

• 2022-12-11

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 to arrange what is needed in the examination room to ensure the normal order of the examination ...

• 2022-12-11

In class, some students secretly use their mobile phones to read novels, make phone calls, send messages, and so on, and the school always wants to find ways to stop it. At the same time, the phone jammer has gradually become the favorite of schools. At present, more and more schools choose to insta...

• 2022-12-11

Mobile phone jammers are used to interfere with mobile phone signals and are generally used in secret related meeting rooms, standardized examination rooms, prisons and other places. What factors are related to the jamming effect of mobile phone jammers? (1) Transmitting power of jammer Jammers can ...

• 2022-12-05

With the rapid development of science and technology, mobile phones have become a part of our lives as a means of communication. At present, they are inseparable from mobile phones. However, when mobile phones appear in some situations, they should not be used. Students use mobile phones to cheat in...

• 2022-12-05

This is because the power intensity of signal base stations built by different operators in different regions is different, and the distance between the base station and the place of use is also different. The nearby buildings are also different from the terrain and landform, as well as the material...