As long as the cell phone jammer is turned on in the room, all China Mobile, China Unicom and Telecom phones will not work properly. If you want your cell phone to work, unless the cell phone signal is very strong, that is, there is a signal amplifier nearby or in the building. For example, if a mobile signal amplifier is installed in a building, it is difficult to block cell phones. If it is China Unicom's signal amplifier, it is difficult to shield the Unicom mobile phone. There is no other way to interfere other than using Cell Phone Blocker Area to interfere with the 4G signal. You can buy a small cell phone jammer online and turn it on when you need a break at night. After turning on cell phone jammer , the mobile phone signal in the dormitory will become weak, and even cannot be used normally. At this point, they will not play smoothly or properly. But you also have to consider under what circumstances you will be discovered, so try to hide as much as possible, and never buy a large-sized device that needs to be plugged in, it is too easy to be discovered.
After the emergence of mobile phones, people's communication methods have become more and more simple and efficient, but at the same time, it has also brought great inconvenience to work in some places. So many places need to use Cell Phone Blocker Area to block mobile phone signals to avoid normal work. affected by mobile phones. So, what good properties should a signal jammer use to get the desired effect? What are the good performances of cell phone signal jammers? 1. Weather resistance. Some places require year-round cell phone jammers. Therefore, the new mobile phone signal jammer should have good weather resistance, be able to withstand the needs of continuous work throughout the year in harsh environments, and have the characteristics of waterproof, moisture-proof, anti-corrosion, anti-pollution, and anti-corrosion. Thunder and many other abilities, if used outdoors, should also have the ability to work in the field.