Reasons to use a full-band signal jammer
A full-band blocker is an ideal tool for banning cell phone use. In addition, the full-band signal jammer can also allow your child to grow up in a good environment. Why do you need a full-band cell phone jammer? With the development of smart phones, more and more problems are brought to people's lives, exposing more security and social problems.
In addition, there are many, if not more, personal use of full-band jammers. Many people find it strange, why do individuals use full-band jammers? Why do people need to get devices that are actually quite expensive? But it's not hard to understand that everyone has the right to protect their privacy, and phone tracking is so easy these days, The information on the mobile phone will inevitably be leaked. Then you need to prepare tools to prevent this from happening. When you're enjoying your precious time in a place where you shouldn't be on the phone, like a movie theater, and someone near you keeps talking on his cell phone, so don't you want to shut him up with a full-band blocker?
A simple example, most schools have installed full-band signal jammers. On the one hand, it is to prevent students from playing with mobile phones, and on the other hand, it is to prevent students from cheating when using mobile phones and other electronic products. It is very important to their lives to form a habit of integrity. While Internet use of full-band jammers makes a lot of difference to schools, it doesn't stop to schools, and even without a legally mandated response, schools seem to allow you to use them by default. Schools can use full-band signal jammers to prevent cheating on exams, but they cannot completely solve the situation where students are in class.
We've heard or know that full-band jammers have been around for a long time. The original purpose of full-band jammers was primarily for police and military applications. In the military, interceptors are used to block enemy communications. Police can use full-band jammers to prevent communications from criminals and prevent terrorist attacks, such as jamming some signal-controlled bombs.
Now, full-band signal jammers have been used in more and more urban uses. Some organizations, such as schools, use full-band jammers to prevent cheating, companies use full-band jammers to deter cell phone use, and some factories use it to protect the confidentiality of information.
Therefore, in order to solve the above problems, a simple and effective method is to use a full-band masker. It's not hard to see why so many people want to use a full-band signal jammer.
Diagram of the working principle of mobile phone signal jammer
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The picture above is "diagram of the working principle of the mobile phone signal jammer", from the 555 time base circuit - VCO oscillator - PA and finally output the interference signal from the antenna.
The principle of the mobile phone signal jammer is to interfere with the transmission signal of the base station, thereby blocking the connection with the mobile phone signal.
At present, the way to interfere with the base station signal is usually power suppression. The jammer sends out the communication signal 2G/3G/4G/5G in the same frequency band as the base station signal, and drowns the original transmission signal of the base station, so as to realize the signal blocking between the base station and the mobile phone. . At this time, the mobile phone usually shows phenomena such as searching the network, no signal, and no service system.
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