• 2022-05-23

When the mobile phone works, it connects the mobile phone with the base station through radio waves within a certain frequency range to complete the transmission of data and sound at a certain frequency. According to this communication principle, the jamming equipment scans from the low-end frequenc...

• 2022-05-18

In order to ensure the safety of examination room information, the school will implement a variety of measures. During the examination, the school will turn on the wireless frequency jammer according to the requirements of the Education Bureau. At this time, the problem of mobile communication near ...

• 2022-05-17

With the development of science and technology, I believe everyone is familiar with Signal Jammer (commonly known as mobile phone shield). In the college entrance examination or various examinations in the school, the frequency of the shield is increasing. Therefore, the use of mobile phones during ...

• 2022-05-16

The main task of using cell phone jammers in schools is to prevent candidates from cheating by using cell phones and other communication devices in the examination room and ensure the fairness and impartiality of the examination. But what should we pay attention to when installing and using cell pho...

• 2022-05-11

With the advent of the new situation, the scientific and technological prevention ability of the detention center should also be improved. Therefore, the detention center must set up jamming equipment to control and prevent mobile communication signals and eliminate the security risks caused by ille...

• 2022-05-10

With the popularity of mobile phones, we are basically inseparable from mobile phones, which has brought great trouble to some occasions where mobile phones are banned. Therefore, the market for electronic jammers has opened up. So, where is the electronic jammer applicable? 1、 Various large and med...

• 2022-05-09

Nowadays, the functions of mobile phones are becoming more and more powerful and intelligent. In order to avoid message leakage, an smart jammer can be used. For example, some places that can make phone calls and send text messages through mobile phones, and meetings involving trade secrets are suit...

• 2022-05-04

It is very common to use manpack jammers in exams, so we must pay attention to the misunderstandings in use. 1. Manpack jammers will have different effective interference ranges in different places of use. This is closely related to the field strength of the field signal, so it should be selected ac...

• 2022-05-03

Mobile network jammers are often used in our lives. If we use mobile network jammers, we will inevitably have such a problem: will mobile network jammers interfere with WiFi signals? The standard configuration of mobile network jammer can interfere with 2G, 3G, 4G signals and 2.4G WiFi signals of th...

• 2022-05-02

During the annual college entrance examination, the school is equipped with mobile jammers, so there are network problems such as mobile phone dropping and slow internet speed Why do mobile jammers block their cell phone signals? This is because our mobile phones must transmit qualified electromagne...