The classrooms in the new building of Chengdu University of Science and Technology are equipped with “cell phone blocker“, which is a good way to prevent Mr. from using mobile phones in the classroom. Does the school really want to block Mr.’s mobile phone signals? The school found that there was an empty room in the second teaching building. In the classroom, there is a seemingly “black” technological instrument hanging on the wall near the blackboard. There is also an automatic switch on the instrument. Some netizens broke the news that it was said by the GSM jammer. In this empty classroom, the mobile phone signal jammer The power cord is not connected, and the switch is not turned on. Therefore, the reporter’s mobile phone signal is normal, and the network can be used normally. The reporter also found that the second teaching building has several floors, which are all school classrooms and empty classrooms. The mobile phone signal is not effective. You can receive information, make phone calls, and access the Internet.” That’s how standardized test centers are structured. “
A person in charge of a university said that the new teaching building is being installed in accordance with the requirements of the standardized examination room to shield mobile phone signals, and it is in progress. As long as the new teaching building is being installed here, all the installation tasks have not been completed. He also said that the shield will be opened at the unanimous request of the Level 4 and Level 6 exams to be held in December.
We have found that bombing is an important means of terrorist attacks. As brutal and pervasive by terrorists, it has wreaked havoc on a grand scale. Thus, an important aspect of counter-terrorism peace is avoiding the installation of bombs of different types, sizes and powers.
There are many kinds of bombs. Fortunately, the government also has specialized bomb disposal units to dispose of these various bombs. However, the hardest terrorist attack is not to be able to dismantle the bomb, but to find and stop the explosion. Can you imagine that when you were in the square, suddenly there was an explosion in the cinema? It’s too late to stop. As far as precautions go, you know that most terrorist attacks are triggered by a complex phone call. At that time, if there is a suitable signal blocker installed near the center of the bomb, there will be no accident due to the lack of signal transmission. This cell phone jammer is used by military and law enforcement agencies.