In this state, we can simply choose the signal we want to intercept, because we know that there are different types of signal jammers, such as the US version of the interference signal. At present, various powerful signal blocking devices are coming soon.
We know that for candidates, the test results should be absolutely fair to everyone who takes the test. However, we know that it is not easy to ensure this real reciprocity, because more and more people are using mobile phones to cheat and pass the answers. At this time, many schools have come up with a coup. wifi jammer products, placed in the test room during the test, can not only block the reception of all mobile phone signals on the site, but also intercept all nearby wifi hotspots, effectively placing cheating in the test without affecting the surrounding electronic equipment It is a very good choice.
