Maybe we all need to know that in many Chinas, there are no laws and regulations on data signal interference devices, but for our applications, we also need to know common issues, including maintenance of key parts, and where can I use them. Among the commonly used mobile phone signal shielding, it is strictly forbidden to use signal shielding to avoid phone harassment, mobile phone ringtones are prohibited, and GPS positioning system shielding protects car whereabouts, prevents tracking,…

There are various mobile phone signal blocking devices on the market, and there are various machines. Prices are also unstable. Maybe you once bought a cheap machine, but when it came time to actually use it, it was useless. In fact, when buying a 5G signal jammer, you don’t care about its price at all, because all major buyers can afford it. Otherwise, even if the useless machine is cheap, consumers will not…

In today's high-tech world, wireless communications have become an important part of our daily lives and work. However, wireless communication equipment may have security risks, especially in certain environments or situations. For example, radio equipment such as drones and electromagnetic pulses may pose a threat to people's lives and property safety. In order to meet this challenge, the signal jammer for sale amplifier came into…

Cell phone blockers are needed in many places, but many people don’t know how to install cell phone signal jammers. Some people think that the signal jammer can be connected directly to the power supply, but some people think that the frequency needs to be adjusted, and it is difficult to determine whether the signal shielding instrument is working, so let's look at the principle of jamming.

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No matter what kind of exam it is, it is a big event. After several years of hard study and hard work, millions of candidates finally passed the exam in these two days. If you do well in the exam, you will be in a good university. If you choose good resources, if you do poorly in the exam, you will be selected. Lack of resource opportunities. Many people think that this approach is good, but many others think that such results are temporary, excessive, and unfair. Although people have…

There are eight cell phone signal jammers on the market, as well as various machines. Prices are also unstable. Maybe you've bought a cheap machine on a platform that actually doesn't work. In fact, people who buy mobile phone signal jammers don’t care about their prices, because the main buyers must buy them if they are useful. Otherwise, even if a useless machine is cheaper, it will not work if consumers buy it. When choosing a signal jammer, you know which one you must use. Tell your…

When the mobile phone is working, it connects the mobile phone and the base station through radio waves within a certain frequency range, and completes the transmission of data and sound at a certain frequency and frequency. According to this communication principle, during operation, the cell phone jammer scans from the low-end frequency of the previous walkie-talkie to the high-end frequency at a…

1. What is a cell phone signal jammer?

A cell phone signal jammer is a device that prevents cell phone signal jamming tower interference when receiving signals with a cell phone. They were developed for use by the military and law enforcement to counter threats such as explosions and violence caused by cell phones.

2. How does it work?

It blocks radio frequencies in a specific area,…

The cell phone signal jammer function is used to block signals and is used in many situations. The examination room is the place where we come into contact with more use. Information is transferred very quickly these days. With mobile devices, all kinds of information can be transmitted to every corner instantly. For some situations where information cannot be transmitted, mobile phone signal blocking…

Cell phone signal jammers have become standard equipment in examination rooms. Not only for middle school or university entrance exams, such as postgraduate exams, civil service exams and various qualification certificate exams, cell phone signal blocking devices are also required to prevent candidates from contacting the outside world through wireless signals. Now the mobile phone signal jammer is a…