cell phone jammer will block the signal from cell towers, so nearby phones will not show any services. However, once the jammer is turned off, all phones will resume service. This makes it easy for us to stay away from loud mobile phones. Unless you choose to block the functions of certain electronic devices together, a mobile radio frequency jammer will only block the frequency of the phone and not interfere with other electronic devices. Wholesale stores have long provided the most reliable laptops with phone jammers. From Spain to the United Kingdom, the United States to Canada, France to Japan, we have won a high reputation among customers. In addition to mobile phone jammers, we also sell many online jammers, such as GPS jammers, UHF/VHF jammers, 4G jammers, GSM jammers, wireless signal jammers, wifi jammers, Bluetooth jammers, etc. Wholesale store is your best choice, you can choose reliable jammers at reasonable prices
Since classrooms are usually not very large, it is recommended that you use a portable jammer for transportation and operation. You only need to press a button to activate it. Of course, when someone needs to call, you don’t have to worry about an emergency. You can walk out of the classroom and make calls without disturbing others. Or, you can turn off the scrambling unit as needed. Mr. McNeill has taken precautions in the past, including purchasing WiFi jammers (devices that interrupt service). He said the device was considered illegal, but no one was accused of owning the device in the United States. Mr. MacNeil added that when he bought Jammer, he was talking to the teachers in the next class and they received full support. Because the jammer is outdated, it is very inefficient. At best, it can only block 3G signals, and students with smartphones can still use WiFi.