The question arises as to why my cell phone has the capability to block all VoIP calls and be used through walls

Because it is to prevent children from playing mobile phones at home, it is necessary to be able to block WiFi signals and mobile network signals at the same time, which can effectively prevent children from connecting to WiFi or using mobile phone data to access the Internet. If the mobile phone cannot access the Internet, children will not be interested in playing. . Then there is the installation location of Why Can My Cell Phone Block All Voip Calls . If the cell phone jammer cannot be used through the wall, it must be installed in the child's room to prevent the child from discovering or destroying the cell phone jammer, and the cell phone signal jammer can be used normally after it is installed. The installation location It needs to be considered more, and it can be installed in a higher position to prevent children from damaging the mobile phone signal jammer. Or the cell phone jammer can be installed in the position facing the child's door, which has little effect on the shielding effect, and can also prevent the child from damaging the cell phone jammer.

It's the annual high school entrance examination season again. For many standardized test rooms, they are stepping up various test preparations, one of which is to purchase 5G Why Can My Cell Phone Block All Voip Calls , in order to allow each test room to choose a suitable signal jammer We recommend a guide for the selection of 5G mobile phone signal jammers in standardized test rooms. Then it is recommended to choose a signal jammer installed indoors, and install a low-power 5G mobile phone signal jammer in each classroom. This can not only prevent the corners that cannot be shielded in the classroom, but also save capital costs. It should be known that the signal shielding device installed outdoors has to pass through at least one wall, and the effect of signal interference will be greatly reduced. It is inevitable that the signal cannot be shielded due to the reduction of the interference intensity. At the same time, the power of the 5G mobile phone signal jammer that penetrates the first layer of the wall is generally higher, and the price is relatively higher.