Over 80% of junior high school students have mobile phones. Most students say that the main function of buying a mobile phone is to communicate with their parents. However, in actual use, contact with the parent is a minor part of it. Most students use their mobile phones to socialize, take pictures, and play games.
"Many students with weak self-control can play games on their mobile phones, send text messages, or even listen to the teacher's classroom discipline over the phone when they find the course content boring. It affects quality. In the dormitory, other students want to take a rest, the phone screen is bright, they talk, and their roommates can't sleep. The school teacher told reporters.
Electronic jammers said China's PLA saw such electronic warfare as a "multiplier of force" and "is likely to use it to support all combat weapons and services in conflict." Consistent with the US Department of Defense report of the year.
China has installed cell phone jammer and radar system-capable equipment at two fortified outposts in the Spratly Islands. This means that the militarization of the South China Sea has been strengthened, US officials say.
Some private schools in Japan are unified by students to buy mobile phones on campus according to a unified system of uniforms and hats. If the school purchases a mobile phone, the student will have an integrated shutdown of the class, or a mobile phone between students configured to receive free calls between teachers and students, receive pornographic information, chat, and other features. You can use it. Better communication with parents with teachers.
The education sector in China is taking a simpler approach. Education allows schools to use signal jammer. As a result, school officials often purchase mobile phone 4G jammers on a large scale to prevent students from using their mobile phones or cheating on exams.
Rychag-AV is considered one of the most powerful jammers in the world when it comes to destroying electronic devices in fighters and cruise missiles. Russia's Rossiyskaya Gazeta quotes military experts daily that the Rychag-AV jammer has significantly reduced the effectiveness of the US air strike on Syria's Ash Sha'irat air force base in April 2017.
The next-generation jamming low-bandwidth program aims to develop a system that works to build the electronic attack capabilities of the groller against incoming threats in the low frequency band of the electromagnetic spectrum.