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Who do you spend the most time with? Your children, your parents? Your woman? wrong! This is a cell phone. You can easily find that you cannot turn on your phone for one second for a day or even an hour. We like cell phones, but you may not know that we also need cell phone jammer.
The mobile phone jammer is to prevent the normal use of the mobile phone. It prohibits the use of mobile phones by reducing the frequency of mobile phones and cell tower base stations, and loses the ability to make calls and send messages within the effective frequency range.
Generally speaking, the shielding of radio signals will be approved only when such a major situation as the college entrance examination occurs. In addition, the signal shielding of our school does not exist from the perspective of "control range".
There are two key points in this issue, one is the mobile phone and the other is the frequency band used by the mobile phone. Normally, mobile phones are normal devices on the market, which are health meters, and their power is within a certain range.
Speaking of exams, I believe this is something that everyone is particularly familiar with. In my student days, I actually experienced various exams, both large and small. There are monthly exams arranged by the school itself, and there are also more important ones such as the high school entrance examination.
The working principle of mobile communication is that within a certain frequency range, wireless devices (mobile phones, etc.) communicate with the base station through radio waves, and complete data and sound transmission at a certain baud rate and modulation mode.
A mobile phone jammer is a small piece of equipment that can block the signal transmission between the mobile phone and the base station. This is mainly achieved by generating interference within the working frequency range of the mobile phone, which will not cause signal loss or significant degradation of signal quality.
Mobile phones use unique frequencies for calls and listening. Most cell phone jammers will block either of these two frequencies, thereby indirectly providing a preventive effect on these two frequencies.
The notion that one cannot live without a smartphone is not only completely wrong, but also a bit offensive. It's like saying you can't live without air conditioning, Christmas gifts or deadly poison. The vast majority of people in the world don't have all of these things, and I think most of them live happily.
Nowadays, do people still support the right to use the phone while driving, and think that they are above everyone and do not pose any danger? Strangely, when I drove past someone's phone, they drove like a real bastard, thinking it was their way.
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Cell phone jammers are used in prisons, which naturally have its purpose, and its function must be to block signals. Perhaps prison managers believe that the use of mini mobile phone 4g jammers can protect the security of the prison and help its management.
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In many countries in the world, especially in economically developed countries, education is very important, because only good people can provide the country with a steady stream of science and technology, and make greater progress and breakthroughs.
With the upgrading of domestic communication networks, the new 5G network era has come to officially commercialize. Then in the new 5ghz deauther mobile communication network era, in some examination rooms, conference venues, prisons and other occasions where the use of mobile phones is prohibited, how to choose to replace the latest What about 5g jammer?
The telephone is a means of communication. In recent years, the use of mobile phones has increased rapidly. This may cause indifference, accidents, inconvenience, irregular behavior, etc.
Mobile phone jammers refer to electronic devices used to send or send electronic jamming signals, which can be used to interfere with or deceive enemy electronic devices, thereby reducing or even invalidating their effectiveness.
With the development of new high technology, many products adopt micro design, especially in some mobile electronic products, especially recording equipment, which are made smaller and smaller.
A large indoor theater is basically a transparent environment. If the general requirements of the theater fully meet the masking requirements of the theater, and it is impossible to see whether the peripheral equipment is strictly affected.
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Using multi-band and multi-band mobile phones to test the protection effect of mobile phone jammers in the field is the most convenient, most convenient and most feasible test method. Compared with the limitations of the mobile phone test software and the need for conversion after using professional instrument test software, this method makes it easier for users to understand.
According to the characteristics of the full-signal transmitting antenna, it can be vaguely seen that the antenna signal coverage area of the entire antenna is centered on a sphere, but in fact, the signal transmission antennas at both ends of the antenna's extension line are the weakest areas.
The working principle of a mobile cell phone jammer is similar to that of a radio jammer, the signal it sends out is the same as the working frequency of the mobile phone. Doing so will cause enough interference to cause the call to fail to connect to the phone.
Everyone knows that when taking the test, not only is it necessary to have quiet conditions without mobile phone noise, but also that people taking the test must not be allowed to use mobile phones and other communication tools.
Since mobile addiction is ubiquitous in our lives, what should we do? Of course, the awareness of using mobile phones is very important. Secondly, for people’s weak links in controlling mobile phone use, we should have corresponding measures to help them stay away from mobile phones and use them properly.
In recent years, smart phones have developed rapidly and become popular all over the world, and have become important devices for people's lives and work. In the past, mobile phones could not be used on airplanes, but in recent days, many Chinese airlines have announced that they can use mobile phones on mobile phones.
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