If it is in a normal use environment, it is not complicated to install and debug the mobile phone signal blocker. Generally, you only need to turn on the host switch after powering on the device, and use the mobile phone to observe the working status of the mobile phone at differ

So far, the main WiFi frequency bands used in China are: WiFi2.4G and WiFi5G, of which WiFi5G is further divided into WiFi5.1G and WiFi5.8G.

When it comes to interference, it can generally be divided into natural factors and human factors. In terms of natural factors, magnetic field changes are the most common.

Humans are naturally anxious and skeptical about the unknown, especially when such things are in front of us all the time - like the little black camera on the phone screen.

Crack Method 3: Use Bluetooth: Make the answer into a file with your mobile phone. Use bluetooth to transfer files.