cell phone blocker
can be controlled with a switch, you can use the time to adjust the demand signal shielding range based on.
As the largest cellphone jamming
Factory, we provide full range of equipment and services.
in public places is illegal. However, if there are government documents permitting you can use.
Some taxi fleet operators to install their own cell phone signal jammer
, designed to prevent the use of mobile phones while driving on the way to improve the safety index.