Block No Number Robo Calls Cell Phone Prevents Electronic Fraud

Perfectjammer 2022-03-01

Important entrance exams, qualifying exams or final exams require the installation of test room cell phone jammers to block electronic signals around the test room and prevent possible electronic fraud. So, how much area can the Block No Number Robo Calls Cell Phone in the test room block? Can only one mobile phone jammer in the exam room achieve the purpose of shielding? How many jammers should a school building use? First of all, we need to know: the cell phone jammer in the test room has a theoretical shielding range, which is about a radius of 0-20 meters. But note that this is a theoretical distance. The actual effect depends on the local signal strength, especially whether there is a signal base station nearby. If there is a signal base station within 200 meters, the shielding effect will be reduced. In addition, walls also weaken the shielding effect of shields. The shielding effect is also reduced due to the stronger signal near the window.

The technical equipment used at the venue shall meet the requirements of security and confidentiality. It is prohibited to carry mobile phones and laptop computers with unlimited Internet access, and it is prohibited to carry unapproved photography, video and audio recordings of the equipment with the following functions. According to the needs of the meeting, set Block No Number Robo Calls Cell Phone in the meeting room if necessary. Participants and staff must strictly abide by the confidentiality discipline of the meeting, not to disclose the content of the meeting or unannounced matters, and not to discuss the confidential matters of the meeting at will and read the documents and records of the participants at work. After the meeting, the content of the meeting is generally not announced or reported to the public. When it is necessary to make a public report, it shall be approved by the relevant confidentiality management department, and the manuscript of the public report shall be subject to confidentiality review.

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