Magnet Jewelry To Block Cell Phone Signal With Ideal Shielding Effect

In order to achieve the desired shielding effect, the mobile phone signal blocker used in the examination room in our life needs to fully understand the shielding frequency band. Whether it is 2G, 3G, 4G and the latest popular 5G mobile phone, it needs to be able to complete the shielding, and it also needs to be able to Shielding wifi signals, walkie-talkies, bluetooth headsets and other communication equipment is the only way to effectively ensure the fairness and impartiality of test takers in the examination room, and will not cheat because of various high-tech equipment. The other is the working distance of Magnet Jewelry To Block Cell Phone Signal . A standardized test site is generally about 60-80 square meters. Therefore, when a mobile phone signal blocker is installed in each classroom, it can completely cover the entire classroom, and can block all corners. If the corners are not covered, it is very likely that candidates will use system vulnerabilities to cheat.

Many jails have jail Magnet Jewelry To Block Cell Phone Signal installed. Criminals detained in prisons, detention centers and other supervision places are not allowed to have the opportunity to communicate with the outside world in private. In the process of prison management, preventing prisoners from communicating with the outside world is an important task, especially mobile phones, because it is very likely that It will lead to the leakage of important prison information and help criminals to escape, with unimaginable consequences. Therefore, prisons are going to use Prison cell phone jammer to improve the technology prevention capabilities of the supervision places.