Prevent Bluetooth can use cell phone signal jammer
Many friends have consulted the waterproof bumper. We have a powerful portable cell phone jammer that can meet your requirements, is easy to install, and has a waterproof function, you can install and use it anytime, anywhere. This kind of waterproof mobile phone signal jammer can effectively block Bluetooth 3G 4G WIFI GSM mobile phone signals. Mobile phone jammers prevent mobile devices from receiving signals from the base station by sending the same frequency. The compact size of the interference output is 40W. It will effectively block all designated signals within a radius of 40 meters. You like one, just buy it.
Now almost everyone has a mobile phone, which is ringing everywhere. More and more people are fed up with other people's phone conversations, and they are looking for a solution. The solution is a mobile phone jammer. Cell phone jammers are used to temporarily interfere with cell phone signals within a certain range. It prevents the signal transmission between the mobile phone and the base station. This is because the mobile phone jammer and the mobile phone work at the same frequency. But in order to keep the interference of the mobile phone signal, the mobile phone jammer should be kept together with the mobile phone regularly. Once the interference range is exceeded, the mobile phone can work normally.