• 2023-10-02

In daily life, frequency jammers are established to interfere with the operation of communication equipment. This device cannot affect the application of mobile phones based on the data signals received by the communication base station, and can only be adjusted for mobile phones. If you want to sto...

• 2023-10-02

If someone uses cheating methods in exams, it will increase the difficulty and pressure of maintaining discipline and order in the exam room. The main means of cheating is the use of communication equipment, which requires the existence of different signal blocking devices. I believe this is still v...

• 2023-09-28

For several years, signal blocking machines have been used in various exams in schools. What is the reason for the display of mobile phone signals when the mobile jammer is turned on? 1. There is a display signal on the phone screen, and when making a call, the phone can still be used normally. The ...

• 2023-09-28

Some classrooms in schools will be equipped with a box similar to a speaker, which is called a signal jammer. Why is a signal jammer installed in the classroom? The answer is clear: signal interference can block the phone's signal and prevent its use. Schools will introduce some school regulations p...

• 2023-09-28

With the rapid development of modern communication technology, the use of mobile phones is becoming increasingly popular. In recent years, mobile communication has not only brought convenience to people, but also posed new challenges to information security and confidentiality work. Major accidents ...

• 2023-09-24

At present, when we use mobile phones for calls, we use the uplink frequency to contact the base station, and then the signal from the base station passes through the operator to achieve the call function in the phone. In standby mode, the phone still maintains contact with the base station through ...

• 2023-09-24

In places where information must be strictly kept confidential, such as government agencies, banks, examination halls, etc. As the most important communication tool for people nowadays, mobile phones also have functions such as transmitting information, videos, and recording, which may lead to the l...

• 2023-09-24

In some particularly important exams, it is necessary to ensure discipline in the exam room. In order to ensure the safety of the exam, more and more examination halls are using signal jammers to block mobile phone signals inside the examination hall and avoid the impact during the exam process. So ...

• 2023-09-22

The widespread use of electronic jammers and wireless frequency jammers can cause certain interference to mobile operators' base stations, which is a widely recognized reality in the industry. If it is a low-power electronic jammer, due to its relatively small transmission power and limited interfer...

• 2023-09-22

In order to prevent others from tracking or exposing their whereabouts, some customers order some common GPS signal jammers and install them in their cars. I believe that this can effectively prevent others from knowing my location. But sometimes I realize that my whereabouts are still firmly contro...