In recent years, if you read the news about the college entrance examination, it is not difficult to find that every year, there will be news about cheating in examination rooms across the country. "Technology" means that they can successfully cheat. As everyone knows, in order to deal with the "high-tech" cheating methods that are becoming more difficult year after year, the major examination rooms are basically equipped with a device named Cell Phone Jammer For Sale Uk , which is a weapon that can restrain these "high-tech" methods. , With it, you can eliminate the phenomenon of using communication equipment to cheat. cell phone jammer
First, let’s briefly introduce the principle of mobile phone jammers. It is a means of using electronic signal isolation to counteract electronic signal cheating. Generally speaking, the range is about 0 to 20 meters. The product and model, the specific range and signal strength will have certain changes. For details, please refer to the manual after the purchase. Cell Phone Jammer For Sale Uk It can mainly isolate the 4G signal and WIFI signal to prevent candidates from using some in the examination room. "Black technology" sends and receives information, so that it loses its function from the root cause, ensuring the order of the examination room.
