Can you find a solution to the telephone noise?

You need to consider the frequency and range of the interference. I think there is enough work space, and the easiest way to stop talking on a mobile phone is to use a blocking device. Radio frequencies, radios, radars, and cell phones can be interfered with, and strong radio signals of the same frequency can interfere with it. If cell phone jammer products are placed surrounded by tall buildings, the actual blocking range of radio suppression equipment will be reduced. Of course, your budget will increase. You can find the information you need on the Internet.

http://www.jammer-buy.com/cell-phone-jammer/c-24.html

We know that GPS systems can help us find lost cars, point us in the right direction while driving, and also help us find lost phones. This also means that the GPS system can detect our location at any time. If used by some dangerous guys, it is extremely dangerous for all of us. Imagine that when we go somewhere, someone is constantly monitoring and following us, which is terrible. Therefore, we must find a way to protect ourselves, and a cell phone jammer can help us accomplish this task.The GPS system is part of our lives. It is used not only in the military field, but also everywhere around us. It is installed in our car and is present in our phones. With the increasing use of GPS systems, we need gps jammer to protect us. 

http://www.jammer-buy.com/gps-jammer/c-25.html

The first jammers were developed by the military and used for communication purposes. Used to control enemy communications. Currently, smartphone users are increasing every day. By comparing electronic devices with WiFi signal interceptors,wifi jammer are becoming more and more civilian, and these devices disable phone signals in certain locations.These days, young people use mobile phones regardless of the occasion and do not understand politeness. Use a wifi jammer to send signals at the same frequency. The cellular signal area is disabled to prevent unpleasant conversations.

http://www.jammer-buy.com/wifi-jammer/c-29.html