According to the usage time of the mobile phone signal jammer in the meeting room. According to our conventional understanding, if the frequency and time of the signal jammer is 5 hours per week, commercial machines can be used at a relatively low price. If the signal jammer is used for more than 20 hours a week, the industrial machine is used, and the price is relatively high. According to the signal strength of the mobile cell phone jammer. In the category of meeting rooms, it is not easy to judge. We usually judge based on the absence of signal amplifiers in the office, whether there is an operator base station within 300 meters, and the signal strength of the usual mobile phone. If the mobile phone signal is very strong, you need to use it. A slightly larger cell phone signal jammer.
In order to ensure the fairness and justice of the exam and protect the vital interests of the majority of candidates, mobile phone signal jammers are a powerful tool in the college entrance examination room. Like other important exams, the use of mobile phone jammers is also highly valued in the college entrance examination examination room, so many misunderstandings in use must be paid attention to. The test panel signal monitor will have different effective shielding ranges in different places of use. This is closely related to the signal field strength of the scene. Different types of mobile phones may not have the same shielding range on the same site, so the selection should be based on the actual situation. Factors that affect the shielding range include, but are not limited to, distance, direction, obstacle-free objects relative to the base station, wall materials of the site building, installation height of the protective cover, installation specifications, etc. Other factors should also be paid attention to.