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Block My Cell Phone From Being Tapped Is Installed In The Examination Room

Perfectjammer 2022/04/21

It is also a well-known iron rule that mobile phones should not be brought into the examination room; but according to common sense, Block My Cell Phone From Being Tapped is usually installed in the examination room, even if you are lucky enough to bring your mobile phone into the examination room, it is a "brick" Under the "double insurance", an eye-popping scene may have occurred. So, should the cell phone jammer deficiency be "the culprit"? "It's not surprising." Communications authority. Mr. Zhou, the founder of Xianzao Classroom Teaching, stated that 5G is a newly released network frequency band in recent years, and some new wireless communication frequency bands are used. Many old shielding devices are not compatible with shielding 5G signals. According to the 5G frequency band division, China Telecom and China Unicom's 5G mainly use 100MHz frequency band resources in the 3.5GHz frequency band, while China Mobile mainly uses 160MHz frequency band resources in the 2.6GHz frequency band and 100MHz frequency band resources in the 4.9GHz frequency band. .

How much does a 5g signal jammer cost? At this stage, there are several mobile 5G signal jammers on the market. Prices range from a few hundred dollars to tens of thousands of dollars. Exam room type Block My Cell Phone From Being Tapped The market price is about 1,000 yuan, and the market price of large 5g signal jammers for companies and the military is about 5,000-10,000 yuan, with specific confidentiality qualifications. Then there are the outdoor isolators used by the public security departments, such as trailer-type isolators and suitcase-type isolators. The market price ranges from 10,000 to 10,000 yuan. The price of small output power is in the middle of 300-700 yuan, the price of medium output power is around 700-1000 yuan, and the price of high power is more than 1200 yuan. The price of the built-in signal jammer will be relatively high. For interviews on the wall hanging on the wall, the price is very cheap. Because the shell of the built-in signal jammer is plastic, the cost is relatively low, and the external signal shielding cost is relatively low. The machine case is made of aluminum alloy.