Cheap Cell Phone Jammer
One thing that many people don’t understand is why “black technology” methods are frequently used, but exam Cheap Cell Phone Jammer can still be completely countered. In fact, the reason is very simple, because no matter what kind of electronic signal cheating method , It is necessary to receive and send information in the examination room, but within the effective range of the test mobile jammer, it is impossible to convey any information and accept, so this method is solved from the root cause. Because of his excellent performance, he has become a "guest" in many schools. Now when the college entrance examination season is approaching, it is urgent to install this kind of equipment in the examination room. cell phone jammer
Nowadays, society is developing faster and faster, and the most obvious thing is the progress of science and technology. It is inevitable that the 4G era will replace the past 3G and 2G. Now that 4G hasn't covered the heat, 5G is coming up again. However, 4G signals still exist as the mainstream at present. So, can the exam room Cheap Cell Phone Jammer shield 4G signals? This is a very critical question. In fact, the new test room signal jammers currently on the market have been upgraded, and shielding 4G signals is almost standard. However, some of the cheaper test room signal jammers currently on the market can only shield 2G or 3G signals.