Cell phone jammer is mainly used in places where cell phone communication is not required, e.g. In various examinations, confidential department offices, gas stations, etc. More and more companies are using signal jammers because of their ease of installation and use. And the device signal is always in a relatively static state that does not interfere with other electrical devices, and has played a certain role in certain places.Every technology has good and bad aspects, and the most important thing is how we use it. For example...
more