Do we need to buy a cell phone jammer canada?
When I am reading a book in the library, the bell always rings. In this case, do I need to buy a jammer?
I suggest you buy one.The cell phone jammer is a very magical thing, after use, it will change very strangely when installed indoors. It's just that no one can see this change. In the room where the signal jammer is installed, using a mobile phone will find that there is no way to make calls, no way to answer, and no way to connect to the Internet, so naturally there is no way to receive information. In addition, the test room signal jammer with Bluetooth function, then the Bluetooth function of the mobile phone cannot be used. This avoids the possibility of making or answering calls with Bluetooth headsets and the like. The signal jammer will not interfere with the work of other electronic devices. After using the signal jammer, it is safer and more concealed.
I think you can buy one Cell Phone Jammer Canada.The interference range of the same jammer used outdoors will be doubled compared to indoor interference. If the interference range is less than 200m, generally set a jammer, which can be hung on the indoor wall with a distance of 1~1.8m on the ground; if it is greater than 200m, generally Two or more units should be installed and placed on the front and back walls; if the interference space is outdoors and greater than 1000m, multiple units should be used, and the honeycomb distribution effect is better.