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What kind of configuration does the standard test room mobile phone signal jammer need?
This year's national college entrance examination has come to an end, but in previous years, mobile phones will be brought into the examination room to release the test content, and this year is no exception. Don't the special hand-held metal detectors and cell phone signal blocker in the examination room work? Why can you still bring your mobile phone to the exam room to send messages with your mobile phone?

16-Band Handheld 5G Jammer GPS WIFI Mobile Phones UHF VHF Signal Blocker

The appearance of this problem, in addition to the examination room security problem, the examination room technical defense equipment may also have certain loopholes. The examination room technical defense equipment includes: metal detectors, wireless signal detectors, mobile phone signal blockers in the examination room, mobile phone detection doors and other equipment are standard It is an essential equipment in the examination room. If a signal jammer is installed in the examination room, the mobile phone can still send messages. It may be that the signal jammer does not effectively shield the communication signal. It is also possible that the accessory communication base station is relatively close, resulting in poor signal shielding and indirectness. Problems such as shielding, or the signal jammer is not updated to the latest 5G interference frequency band. When choosing to purchase a mobile phone signal jammer in the exam room, be sure to choose the latest 5G version of the jammer.

The shielded frequency bands must include: 2G, 3G, 4G, 5G signal frequency bands and wifi2.4, wifi5.8 signal frequency bands in order to achieve a good shielding effect. If the communication signal in the environment is relatively strong, a shielding product with a higher power must be used to achieve a good shielding effect. Therefore, when purchasing products for signal shielding in the standardized test room, you must identify good brand manufacturers to ensure better shielding effect and create a good test room environment.

https://topsignaljammer.com/

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