There are many kinds of examinations in society at present, and the most influential one is the annual college entrance examination. This is the door for thousands of students to enter institutions of higher learning and the bridge for countless families to place unlimited hopes on. There are also entrance exams for master's and doctoral students, CET-4 and CET-6, high school entrance exams for...

GPS locators have become undeniably solid products, whether pinpointing a business property or monitoring a home. But as users become increasingly dependent on these things, the reasons for hackers to twist the system increase. Obviously, potential interference with how these devices work could severely impair performance. GS monitoring device is mainly used for real-time location monitoring,...

People's communication methods have become more and more simple and efficient after the emergence of mobile phones, but at the same time, it has also brought great inconvenience to work in some places. Therefore, many places need to use signal jammers to block mobile phone signals to avoid normal Work is interrupted by mobile phones. So, what are the good properties that a signal jammer should...

In this Internet age, everyone has their own mobile phones and other communication devices, which brings a lot of convenience to everyone's life. However, in some special areas, mobile phones and other communication devices have brought a lot of troubles to people, such as: conference rooms, examination rooms, schools, dormitories and other areas, all of which have encountered similar problems....

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...

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...

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,...

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...

Currently, using a signal blocker for sale to block signals is a relatively effective method and will not damage electronic products. But how effective the shielding is depends on whether electronic products can still emit signals. How to test the effectiveness of the jammer? At this time, you only need to follow the following methods: 1. Test the shielding distance of the signal...

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...