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perfectjammer
perfectjammer 投稿 - 2020/04/08 更新 - 2020/04/08 0 Comments 143 Views
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Many educators have trouble figuring out how to deal with electronic devices in the classroom. Some schools have been educating students on the negative effects and encouraging them to regulate their use. Others even emphasized the possible applications of mobile devices in the classroom. Although, many people just try to ban everything. A principal in British Columbia raised the school ban to a new level by setting up a cell phone jammer. There is only one problem-the device is illegal in Canada. The principal has ordered Chinese equipment online, but some angry students soon found out and informed him that he was breaking the law. This idea is very important. Now, his condition looks terrible, and the use of mobile phones in school is now a civil rights issue for some students.

https://www.perfectjammer.com/gps-blockers-jammers.html

The drone jammer has three frequencies that can change the direction of the drone. You can select the direction by pressing one of the three frequency buttons. The barrel is equipped with antennas that emit signals that force the drone to return and land, thereby protecting the airspace. The buttstock is similar to the assault rifle of the M203 grenade launcher. It is designed with a center of gravity, which reduces fatigue during use and improves accuracy. In order to obtain more functions, the drone killer is also designed to accept optical sight attachments. Of all the drone jammers we have seen, this is definitely one of the most impressive.

https://www.perfectjammer.com/wireless-wifi-bluetooth-jammers.html

In civil and to the embassy, ​​nuclear power plants, oil depots, government buildings, museums and other important places UAV group defense, low-altitude defense and laser interception customs clearance system to achieve low-altitude drone) defense, you can also decorate and drive in civil airports The airport runway and the surrounding environment of various birds can also be parked on the civil aviation route of low-flying vehicles such as Heifei and other unmanned aerial vehicles (uav), showing great utility value. SD-10-Laser system has been invited to participate in the challenge of the Ministry of Public Security of the "Invisible Reconnaissance-2018" Unmanned Aircraft (uav) Unmanned Aircraft (uav) organized by the National Demonstration, Chongqing International Expo Security Intelligence Industry, and organized practical exercises Destruction of multiple rotor drones and fixed-wing drones and other activities at the scene has a significant effect in defending against attacks. It can be said that the laser removal system has become a "destroyer" of "low, slow, small" aircraft. Crucially, the laser has little collateral damage and can be effectively used in densely populated areas.

https://www.perfectjammer.com/all-gsm-3g-jammers-blockers.html

Although the phone is used whenever a wireless communication device is used, there is an invisible line compared to a mobile base station. The first step for a mobile phone to make or receive a call is to first establish a connection with a nearby mobile phone base station. If you use your left hand and right hand to move the phone separately, and use your left hand phone to call your right hand mobile phone, the electromagnetic waves will not be directly emitted from the left hand and right hand. Cross the road and then to the big circle on the right hand phone (except Bluetooth).

https://www.perfectjammer.com/all-cell-phone-jammers-blockers.html

Due to alleged indulgence by some prison staff, the use of cell phones by prisoners is an uncontrollable threat. It is believed that gangsters plan to plan many criminal activities in prisons, and these gangsters use mobile phones to communicate plots with their outdoor associates.

https://www.perfectjammer.com/

According to a senior ECIL official, German jammers installed in prisons and other sensitive places are very effective for VVIP security. "We have installed them in the central prisons of Chhattisgarh and Jharkhand, where a large number of Maoists are placed in high-security neighborhoods. The safety agreement of the chief minister of Jharkhand includes these gadgets ... … They have ordered more jammers, ”said the official, who asked not to be named.

https://www.perfectjammer.com/drone-signal-jammers.html

"Now the use of mobile phones in classrooms is very rampant. Students now think they have the right to use mobile phones during class. They do not listen to instructions, because they send text messages and listen to music on their phones, so they need to repeat many times to guide the game or watch the video Movies. Some students even answered the phone or made a voice call during class. Blocking the phone in the classroom is good for students. "
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