• 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...

• 2022-11-20

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...

• 2022-11-20

In some special geographical environments, if the mobile phone signal is strong in the field environment where frequency jammers are used, most of the reasons are that there are signal towers nearby which are close to each other. However, if mobile phone signal amplifiers are installed in the buildi...

• 2022-11-20

Due to the rapid development of communication equipment and the continuous improvement of communication technology, mobile phones can now be a part of the hands, and communication methods have changed from the use of landlines, fixed phone booths and rigid locations to communication anytime, anywher...

• 2022-11-06

The progress of mobile phones has indeed brought great improvement to life, and also brought a lot of troubles. However, it seems very unreasonable to carry mobile phones in some places, and similar products of signal jammers have also been derived with the development. The school will certainly not...

• 2022-11-06

Nowadays, telephone jammers are used in many places, such as conference rooms, detention centers, schools and other places. However, the types of jammers used in different places are different. Do you know how to distinguish them? Many people know the telephone jammer, but they don't know how it wor...

• 2022-11-06

The advent of 5G mobile phone has brought great convenience to people's life, which has promoted the speed of mobile phone network to a new height. However, there are also some problems. Last year, a college entrance examination candidate in Hubei used his mobile phone to take photos when taking the...

• 2022-10-30

Although the time of this year's college entrance examination has been postponed due to the epidemic, the corresponding protective measures have not been reduced at all to ensure the safety of examination information. During the examination, the relevant departments will turn on the frequency jammer...

• 2022-10-30

With the rapid development of science and technology, some interference devices have also emerged, which are mainly used to prevent computers, network servers and communication electronic devices from leaking important information during operation, and to prevent cheating in school examination rooms...