More than 80% of middle school students have mobile phones. Most students say that the main function of buying a mobile phone is to communicate with their parents. But in practical use, contact with parents becomes a minor part of it. Most students use their phones for socializing, taking photos and playing games.
“A lot of self-control poor students, when they feel boring course content, can play a game on mobile phones, text messaging, even on the phone, listen to the teacher classroom discipline and quality are affected. In the dormitory, other students want to rest, a small number of students phone screen bright, chattering, the roommate can not sleep. A school teacher told reporters.
The electronic jamming equipment would be consistent with a 2016 U.S. Department of Defense report that said China’s People’s Liberation Army views such electronic warfare as a “force multiplier” and “would likely employ it in support of all combat arms and services during a conflict.”
China has installed equipment on two fortified outposts on the Spratly Islands capable of cell phone jammer communications and radar systems, which U.S. officials say signifies a stepped-up militarization of the South China Sea.
Some private schools in Japan, in accordance with the uniform system of uniforms and hats, are unified by students to buy campus mobile phones. Students can carry the purchase of the mobile phone to school by the school, in class unified shutdown, or free calls between teachers and students, between students set to receive pornographic information, chat, and other functions, the school let students use the mobile phone can better communication with parents to the teacher.
China’s education sector has taken a simpler approach. Education allows schools to use signal jammer devices. So school officials often buy mobile phone gsm jammer on a large scale to prevent students from using their cell phones and cheating in exams.
The Rychag-AV is considered one of the world’s most powerful jammers when it comes to disrupting the electronics of combat aircraft and cruise missiles. Russia’s Rossiyskaya Gazeta daily cited military experts as saying that the Rychag-AV jammers added significantly to reducing the effectiveness of the US air strike on Syria’s Ash Sha’irat airbase in April 2017.
The Next Generation Jammer Low Band program aims to develop a system that will work to build up the Growler’s electronic attack capabilities against incoming threats in the electromagnetic spectrum’s lower frequency bands