• 2022-10-23

Who is the vehicle electronic jammer? Today, let's trace the history of this artifact. At the beginning, the vehicle electronic jammer was not actually set up for the test scene. The original application is actually prison. In order to ensure the information security and privacy of the prison's high...

• 2022-10-16

The school uses the phone jammer to prevent students from cheating in the exam. The installation of the jammer reduces the burden of the teacher's invigilation and, to a certain extent, reduces the waste of human resources. In the classroom, some students secretly use their mobile phones to read nov...

• 2022-10-16

Mobile phone has become one of the necessary tools in our travel, on the contrary, the demand for mobile phone signal jamming equipment has gradually become more and more. When we use a mobile phone to make a call, we use the uplink frequency to contact the base station, and then the signal of the b...

• 2022-10-16

In our daily life, mobile phones bring us a lot of convenience, but it seems very unreasonable to carry mobile phones in some places, which also brings us a lot of trouble, and professional products such as interference signals are derived with the development. The school will certainly not allow st...

• 2022-10-13

Many customers call and say that I need a mobile signal jammer that can interfere with a radius of 50 meters, a distance of 500 meters, and a radius of one kilometer, and that it should be shielded by the three networks of China Mobile, China Unicom, and China Telecom. Is there a problem with the cu...

• 2022-10-13

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 frequency jammer interfer...

• 2022-10-13

When important examinations are coming, wireless jammers will be arranged in the examination room in advance, which can effectively prevent electronic signal cheating on the college entrance examination. We all know that its interference range is different according to the power. This data is genera...

• 2022-10-09

Nowadays, frequency jammer has been widely used in school examination room, prison detention center, company meeting room and other occasions, especially in school examination room. How to select these signal shielding devices? What problems should education departments pay attention to when purchas...

• 2022-10-09

As a powerful tool in the examination, the signal jammer still plays an important role in the examination in order to ensure the fairness of the students' examination in some important examinations. However, there will inevitably be some accidents in the use. How can we reduce the accidents. The int...

• 2022-10-09

Now, mobile jammers are not so strange, especially in schools. It is usually used before and after the classroom and in preparing for the exam. This device is not only a simple way to shield mobile phone signals, but also a fair competition environment for candidates. The installation of the mobile ...