By the annual exam season, all parties have begun to prepare for the exam, and the invigilator has various tricks to prevent high-tech cheating. Among them, the exam room special Antenna Cell Phone Jammer is still an anti-jamming device. There are many types and models of mobile phone jammers. Before purchasing, users should clarify their needs to avoid test room accidents due to poor shielding effects. They are also paying attention to the correctness of the method of use. Most schools use test room-type mobile phone jammers that are suitable for long-term work and are durable. The second is how large are we in the shielded area? For example, if it is a room of 100 square meters or a venue of thousands of square meters, if the area is large, the power must be larger, and if the area is small, consider choosing the shielding power adjustable. Then there is which frequency bands need to be shielded. Are China Mobile, China Unicom, Telecom, and CDMA all shielded? Still only need to shield part of the frequency band. cell phone jammer Various sounds can be captured and adapted to different audio signals to play them, so it is very suitable for wallet and folder pages.
In order to prevent students from using mobile phones in the middle of the night to affect their rest, Wuxi Meicun High School recently installed Antenna Cell Phone Jammer in the male dormitory building. In this regard, some students applauded that the school is for their own good; some students believe that this is a manifestation of the school's distrust of students, and mobile phone jammers are radiating, which will have a bad impact on the health of students. On this issue, parents’ opinions are basically unified, that is, they agree with the school’s approach; as the competent authority,
