Blocked Number On Cell Phone Bill

Perfectjammer 2021-11-10

In order to protect the interests of the vast majority of examinees, necessary control measures must be taken against the cheating of a small number of people. The examination management department has adopted the practice of radio shielding. During the test, the test room and the surrounding environment of the test room will be closely monitored in all directions. The monitoring stations and monitoring vehicles will all enter the state at that time. Part of the radio frequency range will be fully monitored. Once an abnormal signal is found, it will immediately take Blocked Number On Cell Phone Bill measures to block Signal. In addition, the technical staff can also judge the direction according to the direction finder and assist the relevant departments to find the cheating elements. Some parents of examinees feel uneasy about this, worrying that mobile phone jammers will affect their children's normal performance of the college entrance examination. In fact, these devices will not cause physical harm to the candidates and test staff, and will not affect the candidates' normal answering. cell phone jammer

Whether any kind of electromagnetic wave transmitting equipment is harmful to the human body depends on the human body’s specific absorption rate of electromagnetic waves. The highest radio frequency radiation safety standard SAR recognized by the International Commission for Non-Ionizing Radiation Protection is 2.0, and my country’s standard is 1.5. At present, the transmitting power of the transmitting tower of the wireless communication station is generally 40W~50W, and the specific absorption rate of the human body to electromagnetic waves is below 1.0 when the distance from the transmitting tower is 20 to 30 meters. The Blocked Number On Cell Phone Bill equipment used in the examination room is a micro-power device, and its transmission power is generally less than 3W, and it is used in the corridor outside the examination room. In this case, the human body's specific absorption rate of electromagnetic waves is minimal. Therefore, the mobile phone signal jammer equipment used in the examination room does not pose a hazard to human health.

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