How to block phone tapping
With advances in technology, mobile phone tapping is no longer seen only in movies. In the United States, it's easy for your phone to be tapped. So you need to learn to protect your privacy.
The cell phone jammer is a good anti-eavesdropping device. You can block all the phone signals around you, including the eavesdropping signals. So when you have important meetings or confidential discussions, it's very necessary.