CategoriesIntroduction to Jammers Jammer knowledge News

Portable jammers have few antennas

Netizens revealed that the instrument is located in an empty classroom in the second teaching building of the school, close to the blackboard on the seemingly “black” wall of the instrument technology, and is still automatically switching. GSM jammer. In this empty classroom, the power cord was not connected to the signal shield, nor was the switch turned on. Therefore, the reporter’s mobile phone signal is normal, and the network can be used normally. The reporter will also find several floors in the second teaching building, both school classrooms and empty classrooms. Cellular signals remain intact to receive messages, make calls, and use the Internet. “This is the structure of the standardized test site.” The person in charge of Chengdu University of Technology said that the installation of mobile phone signal shielding in the new teaching building is a task that is carried out in accordance with the requirements of the standardized test room. Only new buildings are installed here. All installation tasks have not been completed. He also said that he would unanimously require Kaidun to participate in the Level 4 and Level 6 exams to be held in December.

It can block 3G, GSM and CDMA signals. If the portable cell phone jammer has a small number of antennas, the jamming signal will be stronger. There are several types of antennas. It plays an important role. Maintain your group life and business. Telephone etiquette grades are outside the train. Using a cell phone is a problem. Radio waves from most cell phones can cause pacemakers to malfunction. Purchasing a radio suppressor is the smartest way to stop ringing. The development of such jammers is increasing. There is a way to protect yourself. It uses jammers. This is a very convenient device. It picks up enough radio waves to disrupt calls.