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Block Private Numbers From Calling Cell Phone Ensure Exam Discipline

Perfectjammer 2022/04/26

Block Private Numbers From Calling Cell Phone

Nowadays, many universities have worked hard to prepare for the exam in advance. This is because the most important exam of the year is coming. This year's college entrance examination is coming soon. In response to this most important exam, many universities have fully prepared the necessary items for the layout of the exam venue to ensure the normal discipline of the exam venue and meet the main requirements of the exam venue. The increasingly arrogant electronic data signal fraud method has also ordered exam Block Private Numbers From Calling Cell Phone as a countermeasure, but its effective range is limited, thus creating new doubts, cell phone jammer

Does it have any practical effect after passing through the wall?

The key to shielding 5G Internet signals is to look at the frequency of the support point of the selected signal shield. Today's 5G frequency range is very wide, ranging from 800M-2. 5G, if you want to shield 5G signals, you have to see what you use in Block Private Numbers From Calling Cell Phone . How much network bandwidth can be supported. Because part of the 5G frequency band almost overlaps with the 2.4 of WIFI. Once you block the 5G signal, it may make the WIFI in the blocked area, and the Bluetooth of the mobile phone cannot be used normally. Therefore, whether the 5G signal can be shielded first depends on the function of the shield product, whether the device has a 5G signal shielding control module. First of all, it is clear that the mobile phone signal blocker can block the 5G Internet signal. When the mobile phone is working, it is within a certain frequency range. The mobile phone and the communication base station are connected by electromagnetic waves, and the data information and sound transmission are completed with a certain serial port baud rate and deployment method. For the basic principle of this type of communication, the mobile phone signal jammer will go to the high-end scanner at a certain rate at a certain rate during the whole working process. This scanning rate can cause error code interference when the mobile phone receives the message format signal, and the mobile phone cannot detect all normal data information published from the communication base station, so that the mobile phone cannot form a connection with the communication base station. Mobile phones are mainly manifested as searching the Internet, no signal, no security system, etc.

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