With the development of science and technology, electronic products such as mobile phones have been greatly developed. Useful for everyday life. On the other hand, there are disadvantages. For example, cheating on mobile phones often during the test has a negative impact on the impartiality of the test. More and more students use smartphones in class. Many people use mobile phones during class. For teachers, this is a disturbing question, “How can I prevent students from messing with my smartphone?” The countermeasures against these problems use signal jammers.
Ringtones on smartphones such as trains, libraries, subways, and concerts can be annoying and cause discomfort to those around you. Currently, many people value their privacy. As GPS runs, your whereabouts may be tracked. We attach great importance to the confidentiality of information, especially in institutions where cell phones are disabled in prisons, police and the military, and use a signal jammer to prevent these phenomena. But how do you choose to buy a jammer? Many people worry about this problem.
If you are the first choice of jammers, usually choose full-band jammers, our shop is very popular with 6 antennas mobile phone jammers. Therefore, it is recommended that mobile phones equipped with 6 antennas block devices and use signal interference devices to prevent cheating. We usually recommend using a desktop jammer at the test site.