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Block Your Cell Phone Number From Telemarketers

Perfectjammer 2022/04/11

Block Your Cell Phone Number From Telemarketers

If the college entrance examination planner wants to block the mobile phone signals in the examination room, it is unlikely that the 2G/3G/4G/5G signal towers around the examination room will not work, otherwise all the communication equipment in this area will not be able to communicate normally. . Then there is only cell phone jammer to block the mobile phone signal in the examination room. When it comes to shielding mobile phone signals, the first thing that comes to mind is that metal materials must be shielded. The mobile phone should be placed in a closed metal material box to prevent the spread of radio waves according to the metal material. The metal-enclosed classrooms are visibly immaterial. Block Your Cell Phone Number From Telemarketers In the whole process of work, go to the wireless channel at a certain rate, from the signal tower to the low-frequency to high-frequency scanner of the wireless channel of the mobile phone, which will cause harm in the process of the mobile phone receiving the message format signal, so that the mobile phone does not It can check all the normal data information transmitted from the signal tower, and then it is difficult to establish a connection with the signal tower, showing no signal. The phone is out of service.

Since the advent of cell phone jammers, they have been trusted by exam venues, schools, prison cells and other businesses. In fact, Block Your Cell Phone Number From Telemarketers is no longer a new thing overseas, and has gradually been sold in the Chinese sales market in recent years. Cell phone signal blockers only affect low cell phone signals, so it is not easy to affect mobile base stations and other electronic products. Nowadays, many teenagers hold mobile phones one by one, some are addicted to games, some are addicted to novels and so on. It is even more risky for college examinations. Baidu search has all the answers. If everyone uses their mobile phone to plagiarize in the exam, then it violates the purpose and practical significance of the exam!

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