Cell Phone Signal Blocker Device Ebay Needs To Switch Power

The adapter should avoid the server for more than 20cm; (If Cell Phone Signal Blocker Device Ebay assembled, due to on-site installation conditions, it is not guaranteed to avoid switching the power supply. The adapter can be placed under the mobile phone jammer server. After choosing this method, the adapter will still have some magnetic fields that are interfered by the mobile phone server. It is less affected by the magnetic field than the two sides of the adapter near the server.) There is no weak current line (AC220V) within 20cm of the wireless antenna; If it cannot be placed, please try not to place the wireless antenna within 10cm.) When the distance between the safety part and the communication base station is less than 200 meters, the actual shielding effect is inversely proportional to the distance of the communication base station. That is, the closer the communication base station is, the smaller the shielding radius is. Tighten the wireless antenna before inserting. The wireless antenna must be vertical (⊥). The data marked on the wireless antenna must correspond to the data marked on the wireless antenna hole on the server. There's no need to plug it in wrong, let alone connect a wireless antenna. At the same time, power up the chassis.

Everyone is familiar with cell phone signal jammers. They are already familiar with this by the time of junior high and high school exams. Schools put Cell Phone Signal Blocker Device Ebay in the classroom to prevent students from using mobile phones to search for answers during exams. How does it work? let's see. "The mobile phone signal jammer scans from the low end of the forward channel to the high end at a certain speed during the working process. This scanning speed will cause garbled interference in the message signal received by the mobile phone, and the mobile phone cannot detect the normal data sent by the base station. The mobile phone cannot establish a connection with the base station, and the mobile phone appears to be searching for the network, no mobile phone signal, no service system, etc. The purchase of cell phone jammer is mainly to prevent cheating in exams. Cheating in exams, many students cheat on their mobile phones during the exam. To prevent such phenomena from happening again To ensure the fairness and impartiality of the test, the school purchased a mobile phone signal jammer. The reason why the Academic Affairs Office made such a decision is because of the existence of cheating in the test. The mobile phone jammer shields not only the signal, but also the trust between teachers and students .