Mobile jammer prevents cheating during exams

cell phone jammer

In the past few years, various types of cell phone jammers have been provided on many websites. They are different in size, shape, weight, power, interference distance and frequency range. If you want to use cell phone jammer on specific occasions, indoor blackout devices will be your ideal choice. Cell phone jammers designed for indoor use are very effective in blocking cell phone signals. When someone’s cell phone disturbs you, just turn on the jammer and the phone will stop working within a few seconds. In addition, you can choose a jammer, which can cut different frequency bands: CDMA: 850-960 MHz, GSM: 1805-1880 MHz, GSM: 1920-1990 MHz and 3G: 2110-2170 MHz, which is very convenient. The interference radius of mobile jammers is between 5 and 50 meters. All phones in this range will stop working: their owners will not be able to make/receive calls and send/receive messages. In addition, mobile phone jammers are powerful because they are equipped with omnidirectional antennas that can block signals from different directions. We can guarantee that after turning on the mobile phone jammer, you will not be disturbed in the environment without the mobile phone jammer.

The mobile phone jammer is small and easy to hide in the pocket, so it is very convenient to use. This mobile phone jammer has a built-in battery, so you can use it for 3-5 hours. The device can be charged quickly. Second, of course. Because this mobile phone jammer is not radioactive and has no effect on health. Mobile phone jammers have a wide range of applications. Therefore, this device is very useful for employers who are lazy and unable to use their mobile phones. People have noticed that more and more workers are playing games on mobile phones and delaying working hours. However, if the boss installs a mobile phone jammer in the office, he can ensure that his employees are not distracted during work. In addition, cell phone jammers can also help prevent cheating during exams. When they installed a jammer mobile phone, the students could not find the correct answer with the help of the mobile phone.