cell phone jammer kit radio shack can mask signals

Almost all schools face this problem: every time a test is taken, there are often various tools in the exam room, which makes prevention difficult. Therefore, they seriously broke the discipline of the examination room. The use of high-tech cheating tools in exams, while higher scores can be obtained at any time, vary greatly according to the knowledge they gain, and also undermines the fairness and fairness of the examination room. So preventing cheating has been a headache for all schools.

Mobile phone haze is also known as cell phone jammer. When they work, they block all cell phone signals within a certain range, including GSM, 3G, 4G, WIFI and other bands. The interference radius is determined by the model. For now, all the phones near the test site contain other high-tech cheating tools that can be used offline. In modern multiplex theaters, cell phones often don't work properly, and many suspect they put the Cell Phone Jammer Kit Radio Shack in a hidden place in the theater, leaving the phone offline. In some military locations, government agencies and conference centers also use signal jamming devices to protect privacy and prevent information leaks.

Today, various types of telephone recording mixers are sold over the Internet. It's a tantalizing idea: you can avoid awkward phone conversations and cheating during the exam by simply flipping a switch. At Offenburg prison in Baden, the smog has been used to block cell phone signals in order to prevent criminals from engaging in dangerous communications.Now many schools have begun to adopt the method of using jammers to prevent students from playing with telephones in class or cheating in exams. And it seems to be working.