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How to interfere with cell phone signals in public places

Franklin March 2020

In public, Beijing and Hangzhou encounter people who call loudly, sometimes even for a long time, which is very annoying. Is there any way to prevent this behavior?

jammer-mart forums

Jammer-Mart March 2020
5G telephone signal blocker

This kind of thing is indeed very common. We often encounter such rude people in life. You can try to carry a portable signal jammer. Once such a device is turned on, all nearby mobile phones will have no signal.