Most countries, including the United States, use signal jammer equipment to stop cell phone bomb attacks against government leaders. When President Obama walked down Pennsylvania Avenue after taking office, all phones were stuck in the area. The US Army uses signal jamming equipment to stop Iraq's roadside bomb attacks. In fact, with the exception of federal government officials, the United States' harsh laws on remote control signal interceptors apply to everyone. Mobile phones are now used in the classroom so much that students now think they have the right to use them during class. They don't listen to instructions and have to repeat them many times because they text and listen to music. Playing games or watching videos or movies on the phone. Some students even answer or make voice calls during class. It's good for the students to lock the phone in the classroom.
With the advancement of science and technology, our lives are becoming more and more convenient. But, the same also brings a lot of problems:
Phone calls can be eavesdropped, WiFi can be compromised, electronic devices with cameras can be invaded, privacy is a serious threat. Not to mention the ubiquitous drone and GPS positioning. In order to protect your privacy and communication security, you may need to use jammers.
Buying a cheap mobile blocking device has become a necessity for a more educated society as there is a growing demand to control the use of cell phones in public places such as places of worship, theaters, libraries, etc. .
With the popularity of smart devices, in addition to the above notification places, some other places also need this equipment.
