• Jan , 30 2023

With the increasing popularity of mobile phones, users are more and more frequent, and many people do not pay attention to the occasion and do what they like. In some specific places, such as conference rooms, courtrooms, libraries, schools, etc., need to be standardized. Frequent use of mobile phones destroys the quiet and serious atmosphere in these places. Affects the development of people's no...

• Jan , 30 2023

It is not surprising that the test hall uses mobile phone signal shield, which is basically the standard now. As you can see, it is also quite common. When you enter the examination room, you will also find a more common device, which is the radio clock. Radio clock, as its name implies, is a clock that shows time, but it is not a simple clock. Radio clock is a clock that ensures time accuracy by ...

• Jan , 30 2023

Examinations, prisons and detention centers often use signal shields to prevent people from using mobile phones in violation of regulations. The signal shield blocks mobile phone signals by interfering with the downlink signals of the base station. The principle of the screening device is that the frequency emitted by the screening device itself interferes with the normal frequency of the mobile p...

• Jan , 17 2023

National Civil Service Examination, Graduate Examination, as test points near the school will become a signal restricted zone. How can an in-car frequency interferometer be so powerful in an examination room? Now reveal its secrets for you. Do you know how your mobile phone receives signals? The principle is that when the frequency-sweeping signal is received in the message signal by the mobile ph...

• Jan , 17 2023

Intelligent shielding instrument is a very magical thing. After use, it will change very strange when installed indoors. But no one can see the change. So many people wonder how a small thing can have so much energy, and some people will even try their best to see if the small shield can really completely shield. So, what will happen to the mobile phone after using the signal blocker? In the room ...

• Jan , 17 2023

The installation of the smart shield is still relatively simple, and there is basically no technical difficulty. However, several small details before the installation determine the subsequent use effect of the smart shield, such as the environment near the installation site, the installation height, and the installation method. These factors will directly affect the shielding effect of the mobile...

• Jan , 13 2023

As we all know, the smart interferometer consists of many radio frequency modules of different frequencies, and the frequencies between these radio frequency modules and antenna should correspond one to one, so why should they correspond one to one, and if not one to one, what will happen? The radio frequency module of the smart interferometer is divided according to the signal frequency used by t...

• Jan , 13 2023

Pull-bar box signal shielder can be used in explosion/bomb-disposal site: to prevent wireless detonation, car bomb, remote control bomb, etc., to avoid unnecessary casualties; For emergencies, they can quickly reach the scene, block communication signals and control public rumors; Pull-bar box type signal shielder is composed of high-power full-band vehicle wireless signal shielder, RF omnidirecti...

• Jan , 13 2023

With the rapid development of mobile communication in the context of the Internet, people rely more and more on mobile phones. Phone has become an indispensable part of people's daily work and life. Of course, there are also some problems that can not be ignored. Network shield can be effectively solved one by one. Mainly: 1. With the widespread use of mobile phones, the environment in conference ...