More than 80% of junior high school students own mobile phones. Most students said that the main function of buying a cell phone was to communicate with their parents. But in practical use, contact with parents is only a small part of it. Most students use their phones for socializing, taking photos and playing games. If you have a smartphone, you may be unaware that phone service can sometimes be interrupted without permission. Compact Cell Phone Blocker is the device that encrypts the signal of the selected frequency. This encryption prevents your smartphone from sending and receiving signals. If you think your smartphone has been hacked, there are many ways to protect your smartphone and avoid being portable cell phone jammer . Move to another location. If you think your smartphone is blocked, consider your location. If you are near a government facility or have safety concerns, drive or drive in the opposite direction. Most cell phone jammers are programmed to operate within a certain radius. Beyond this radius, your smartphone will be undisturbed.
The Compact Cell Phone Blocker used in the test room is a full frequency band, which can block all 2G 3G 4G mobile phone signals and 2.4G WIFI signals of China Mobile, China Unicom, and China Telecom. So as long as there are cell phone jammers in the classroom, all cell phones cannot make calls. Send and receive text messages and surf the Internet. It is absolutely wrong to say that signal jammers do not block China Telecom and China Unicom. Unless there are telecommunications and China Unicom signal transmission towers near the location of use, the signals of China Telecom and China Unicom's mobile phones are particularly strong, and the power of the signal jammer is too small to suppress. At this time, there may be cases where China Telecom and China Unicom cannot be blocked. .
