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Block Your Cell Phone Number From Caller Id Blocks The Three Major Operators

Perfectjammer 2022/05/21

Block Your Cell Phone Number From Caller Id

For example, when many people were in elementary school, their minds were immature. In order to get good grades, they secretly looked at the exam papers at the same table, or secretly flipped through books, so as to get good grades. But as we grow older, when we go to middle school and university, we will deliberately resist this kind of behavior and control our luck. Most people still hope to achieve real results through their own efforts, and use this to check for leaks. Make up for the vacancy and make up for it in the following study and life. To a certain extent, fluke psychology can make us have an easy life. Take the exam as an example, the knowledge points that we have worked so hard to memorize may not be tested. In the exam, as long as you find this knowledge point and copy it, you can easily To achieve good grades, once you rely on this kind of psychology will lead to disasters. Once you get used to this kind of "passing by" life, then in life, everything can be "passing by". So how does Block Your Cell Phone Number From Caller Id ​block the signal? The current cell phone jammer is full frequency band, it can block all 2G 3G 4G signals, 2.4G WIFI signals and bluetooth signals under the three operators of China Mobile, China Unicom and Telecom. Its principle is to interfere with the frequency it sends out. Cell phones receive frequencies from base stations and wireless routers, thereby shielding them.

Every year, major operators will issue a warm reminder: In order to ensure the smooth signal around the campus, the operator has arranged in advance the communication engineers to test the entrance and exit of each test center, the rest area of ​​the parents accompanying the test, and the nearby base stations. Software and hardware expansion to ensure the communication needs of parents in the test area during the test. Except for the signal being blocked during the exam, every effort has been made to keep your communication flowing. Every year in the college entrance examination, in order to prevent cheating in the examination, all communication signals in the examination room will be shielded. There are Block Your Cell Phone Number From Caller Id , common signal shields in the examination room: at the same time, there is a radio monitor outside the examination room that can help to deal with the electromagnetic wave signals in those frequency bands that the mobile phone shield can not care about. , real-time monitoring of radio wave signals of unknown origin. The working principle of the signal jammer used in the college entrance examination is to bury useful electromagnetic wave signals in a large number of useless signals. Under normal circumstances, when we use a mobile phone, the mobile phone is first connected to the base station of the operator, and the radio wave signals sent by both parties come and go.

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