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Before adulthood, children tend to have poor self-control, become obsessed with mobile games, spend too much time in the virtual world of mobile networks, and thus waste their studies and family relationships. Parents of children are also racking their brains and trying to organize all kinds of ways to prevent this kind of thing from happening, so many parents want to block the mobile signal at ho...
The shielding area is large or there are many test sites. When several teaching buildings are distributed, dozens or even hundreds of Shielders are installed. It is often not convenient to manage them. There are many shielders. Daily inspection is also a relatively large workload. In order to reduce the patrol personnel and workload of customers, Nanjing Baikang Mechatronics Technology Co., Ltd. h...
Every year, there will be listening test content in College English CET-4 and CET-6. Before the beginning of the test, the test venue will turn on the mobile phone signal interferer to interfere with the mobile phone signal in the test venue, to prevent candidates from cheating in the test using communication tools. Many schools react to some degree of interference on campus broadcasting after swi...
Does the school intelligent shield need to be upgraded to 5g? Because a similar incident occurred last year. Some candidates bypassed the security check to bring their mobile phones into the examination room and took questions online. After the incident, in addition to the relevant personnel being held accountable, there is another question: how can there be communication signals in the college en...
The trailer type signal shield is suitable for places with special requirements for safety, such as anti-terrorism and anti riot, and can protect the life safety of personnel participating in military operations. Because of its advanced b/s architecture management, ultra wide band coverage, DDS technology regulation, "wireless communication + power carrier" signal transmission mode, it will provid...
Network shield is a very magical thing. After use, it will change very strangely when installed indoors. But no one can see this change. So many people wonder how a small thing can have so much energy, and even some people will put themselves at risk to see if the small shield can really be completely shielded. So, what happens to the mobile phone after using the signal shield? In the room where t...
Intelligent shielding device, also known as mobile shielding device, forms a spherical or fan-shaped shielding space according to the power of the mobile phone signal shielding device, so that the mobile phone loses communication with the base station. When the mobile shield works, it can make the mobile phone within the shielding range unusable, so as to achieve the purpose of mandatory prohibiti...
Using intelligent jammer to meet the interference performance requirements of interphone usually means that "under the condition that the interphone receives and sends text messages with a time distance of 200 meters (transmission power of 35dbm), the effective interference distance is not less than 40 meters (the frequency jammer is placed on the ground); so how to test it? What requirements does...
In order to safeguard the interests of the vast majority of candidates and improve the fairness of the examination, necessary restrictive measures must be taken against the cheating of a few people. The examination management department adopted the practice of installing mobile phone signal shield in the examination room. During the examination, the examination room and the surrounding environment...
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