Can Block Number Calling Your Cell Phone Block Cell Towers?

It is now the exam season, and schools are starting to prepare for the exam. Whether it is the arrangement of the examination room or the order of the examination room, the school is troubled. The biggest headache for schools is to prevent students from cheating through mobile phones, Bluetooth and other technological means. In order to ensure that candidates have a good examination environment and prevent cheating by using modern communication tools, if you want to do a good job of Block Number Calling Your Cell Phone in the examination room, you need a reasonable school examination room mobile phone signal shielding scheme. In order to formulate a reasonable mobile phone signal shielding plan in the school examination room, it is necessary to formulate an appropriate signal shielding plan according to the specific situation of the examination room. For example, the distance between the examination room and the signal tower and the size of the examination room will affect the mobile phone signal shielding effect. If the distance from the signal tower is far, and the area of ​​the test room does not exceed 100 square meters, a small mobile phone signal jammer can be used; if the classroom area is large, a single medium-power signal jammer or multiple low-power signal jammers can be used to ensure Shielding effect; if there is a signal tower within 200 meters of the test room, in order to ensure the shielding effect, it is best to use a signal jammer with higher power.

Nowadays, when everyone's mobile phone communicates, it communicates with the communication base station according to the rising rate, and then transfers the signal to the mobile service exchange core to complete the voice call. In the standby state, the mobile phone operates the wireless channel to communicate with the communication base station according to the broadcast program. Once there is a voice call request, the mobile phone will first be allocated to the wireless channel of the mobile phone business process according to the request report and the details of the wireless channel around the terminal device, so that the mobile phone can automatically Jump to the wireless channel of the business process to complete the voice call and transfer data. Then combined with the above principles, we can get that 4g wireless network Block Number Calling Your Cell Phone generally consists of switching power supply, scanning manipulation module, frequency control module by segment, amplifier module, sending wireless antenna module and other parts. cell phone jammer After the scanner signal passes through the inverter, it enters the oscillator and is allocated to the frequency band of the mobile communication technology, and then the output power is enlarged by the power amplifier circuit and the Zener diode is used to control the output power. way to send to the sky.