Number To Block Calls On Cell Phone Ensures The Security Of Information In The Examination Room
At present, there are many test room Number To Block Calls On Cell Phone products on the market, but it is difficult to choose one that is reliable and suitable for you. Most of the signal jammers on the market now directly block the uplink signal sent by the base station, which will affect the normal operation of the nearby base station, which will cause complaints from residents near Zhao Cheng, and the three major operators will also trouble you. Moreover, many mobile phone blockers cannot block 5g mobile phone signals, which has a great impact. Therefore, it is very important to consider these two points when choosing a mobile phone signal jammer in the examination room. After writing the problem, a new signaling-level mobile phone signal jammer for the examination room has been developed, mainly for the constantly developing communication system. According to the actual situation of foreign mobile communication Elaborately developed high-tech products, which can be separated from GSM/CDMA/DCS/PHS/TD-SCDMA/WCDMA within a straight line of 1-20 meters (about 10-200 square meters, and the shielding range can be adjusted according to different sites required). /CDMA2000/WIFI/LTE(4G)/5G signal, can make 5g mobile phone unable to make and receive calls, and unable to send text messages and surf the Internet, but will not interfere with the normal work of other electronic equipment and base stations, thus ensuring the test room. information security.
The annual college entrance examination day is coming, and many school examination rooms are carrying out intensive preparations to prevent candidates from cheating. Therefore, many schools will use examination room Number To Block Calls On Cell Phone to prevent students from cheating. So do you know how much the mobile phone signal jammer in the exam room costs? The following explains how the price of the mobile phone signal jammer in the examination room is formulated and the usage scenarios are introduced. Examination room cell phone jammer The price is determined according to the material, output power size, and different styles. The price of mobile phone signal jammers in the general examination room ranges from 100 yuan to 500 yuan, and the commonly used ones are generally around several thousand yuan. These are based on different natural environments and different output power sizes to determine the price of the materials used, which can be found online. Search to buy! The cell phone signal jammer is very good, the price is 1200 yuan / set, one month return, one year warranty!
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