In recent years, the constant development of advanced technologies, especially the constant exchange and updating of mobile phones, has fundamentally changed our communication methods and our daily life. Mobile phones are currently widespread and the frequency bands used by mobile phones mainly include GSM, CDMA, DCS and PCS. With the rapid development of 3G 4G signals, 5G is gradually entering the market and I believe that it will develop rapidly worldwide in the near future.
The students ignore the lectures given by the podium teachers when surfing the social network. Some people write during the exams and even research online to get the correct answer. These cell phone jammers can end the communication with the cell phone and appear technically complicated. However, you will be surprised at how easy they are to use: just turn on the switch to work properly.
Some people will ask, is thecell phone jammer harmful to the human body and mobile phone? At this point, users can be sure. The signal strength of the electromagnetic wave signal sent by the signal blocker is very low, which means that the human body is not damaged. At the same time, the cell phone signal jammer only blocks the front signal of the phone, so that the phone cannot connect to the base station and the phone itself is not damaged.
That is why we produce jammers. With this type of device, you can eliminate the negative effects of mobile phones, including multiple signal frequency bands such as GSM, GPS, WiFi, Bluetooth, Walkie-Talkies, DCS, CDMA, PHS, 3G, 4G, 5G, etc. For churches and cinemas, our jammer products can keep these quiet places in total silence. Our mini GPS jammers can help people who are particularly concerned about being tracked to solve this problem.