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There are many occasions around us where the use of mobile phones is prohibited, such as examination rooms, offices, classrooms, factories, meetings, etc. In addition to handing over personal mobile phones to the security department for management in advance, signal blockers can also be used in these places. Mobile phone signals, Wi-Fi signals, and other network signals in special occasions can be effectively blocked. In this way, after there is no signal from the base station, everyone will not play with their mobile phone... more

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 being, providing a strong guarantee for our life and work. So, what are the advantages of sig... more

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.1. Adjacent channel interferenceAdjacent frequency interference refers to signal interference at frequencies adjacent to the used signal fre... more

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 jammer. Don’t just try it with one or two network mobile phones and then be done. During the exam, cheating candidates use different mobile network... more

A portable signal jammer is a device that can block radio signals, which can effectively prevent the transmission and reception of radio signals. This kind of device is usually used to protect personal privacy and prevent information leakage, so it has been widely used in some specific fields.Why use a portable signal jammer? What does it do? In what fields is it used?The main function of the portable signal jammer is to prevent the transmission and reception of radio signals, thereby protecting personal privacy and prevent... more