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In some situations where a quiet environment is needed, we hope that most people will not be disturbed by the ringing of mobile phones, such as when praying in a church, at a social gathering, at home or in a theater, etc. Occasions. To achieve this goal, wifi jammers are generally installed or installed in these situations. Considering the wide coverage and diffusion of 4G cellular networks, is there a device that can effectively block 4G signals and help people get a quiet environment?
The mobile phone 8-channel signal jammer (SYT-401-DZ 8-channel multi-function radio jammer) is a device specially designed for quiet environments. It can isolate GSM, CDMA, DCS, PHS, TD-. It supports SCDMA, WCDMA, CDMA2000, WiFi, GPS, VHF, TDD, FDD, 4GUHF and other signals. The mobile phone can be used after leaving the isolation area, and it is harmless to the human body. The effective shielding distance of the 8-way wireless multifunctional signal jammer SYT-401-DZ can be set to 1-40 meters, and full-band shielding of GSM/CDMA/DCS/PHS/WCDMA/TD-SCDMA/CDMA2000-/ WiFi/GPS-4G signals can be achieved. In addition to the well-designed cooling system, the built-in fan and stable capacity enable this 4G signal jammers to easily achieve work goals and always maintain good working conditions. It can work continuously for 24 hours with a transmission power of only 32W.
When the 8-way multifunctional wireless signal jammer SYT-401-DZ is working, it can cut off 2G, 3G, 4G mobile phone signals and WiFi signals at the same time. In addition to disabling mobile phone signal tracking devices, it can also protect the network. What's more, this multifunctional wireless signal jammer can be used not only in conference rooms, but also in many other places that require silence, such as classrooms, training centers, factories, banks, trains, buses, mobile phones and WiFi. Environment
Some students who fainted in class may be texting on their mobile phones. If they don't want to go to class during class, they don't need to go to the nearest office to whisper and chat. Easily send and receive text messages on their mobile phones.
Nowadays, mobile phones can access the Internet, and students can often chat, read novels, and play games on their mobile phones during class.
The school installs and uses a smartphone blocker management system to prevent students from abusing their mobile phones in class. However, when mobile phone signals are blocked in the classroom, some students say that the school violates the "students'" right to communicate freely. From the perspective of students who often use mobile phones, these views seem to make sense. But think about it carefully, if blocking mobile phone signals violates students' right to communication, then these students are using mobile phones during class or self-study. Have you ever thought that you have violated other students' right to education? Have you ever thought about respecting the teacher's teaching license? Whether it is rights or freedoms, there are only relative, not absolute. All rights or freedoms are based on respecting the rights of others. The laws of our country are also rules based on the interests of the majority. This rule protects the rights of the majority. If we really want to talk about counterfeiting, the fact is that a few students use mobile phones at will regardless of the occasion, violating the educational rights of most students.
Some students or parents may also suggest that schools block mobile phone signals in class. What if there is an emergency at home and the student himself is not notified? In fact, this question is not difficult to answer. From the student's point of view, the reason why students use mobile phones is to facilitate parents. In fact, as long as there is no emergency, students do not need to be in school 24 hours a day. In special circumstances, the school, teachers and parents will take the initiative to establish contact. Second, from the parent's point of view, I remember a few times that the child was equipped with a mobile phone because of special circumstances. If they had to call, they would stop the class immediately and let the school deal with it. ?
In addition, the school has installed an intelligent management system for portable wifi jammers on campus. It cannot protect students from mobile phones during 24 class hours. It only protects students from 40 to 50 minutes from morning to afternoon. With shielding, the mobile phone signal will be restored even if it is interrupted for ten minutes. The campus mobile phone jammer intelligent management system fully considers the humanized shielding of students' mobile phone signals.
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