In fact, it is not only suitable for university entrance examinations, but also for qualification examinations, high school entrance examinations, national entrance examinations, etc. This means that cheating using mobile phones has been discovered one after another. I think this method of installing mobile cell phone jammer and temporarily “stopping service” test sites is the most effective measure. A radio station license is required to install the equipment. By transmitting a weak radio wave of the same frequency as the radio wave of the notification message from the mobile base station, communication is blocked, and subsequent location registration and polling become impossible, so the display of the mobile terminal becomes “out of service area”. Communication Was suppressed. We will also introduce this device around the bank. We will start to restrict the use of mobile phones at ATM corners. This is a joint effort by financial institutions to prevent criminal damages such as transfer fraud. Multiple financial institutions will jointly install equipment at ATM corners. It is used as a measure to prevent transfer fraud.
I have heard of cell phone interference technology. I think more and more people use GPS applications while driving. Improper use can cause more problems. I am dissatisfied with passengers talking loudly on their mobile phones. To improve this situation, I bought a mobile phone jammer. Do not use a mobile phone to receive signals. This is the case on buses. Telephone interference is not a new concept. I think it is perfect in places like movie theaters and libraries. The newly designed jammer is specially designed to block signals. There is also a portable type. You can take it with you. For a safe life, you need a mobile jammer. You can also protect your life. You need to understand how cell phone jammers work. I have difficulty with the spread of mobile phones. It is necessary to put down the phone to a certain extent. Enjoy your life. Buying a wireless signal smartphone jammer is the best choice. You can improve work efficiency.