Setting up a filter on your local school's wi-fi network doesn't mean you have to have a child with unlimited data in your dad's and dad's plans. There is no doubt that E-mail and the Internet are essential in most offices. Everywhere people use cell phones, a lack of courtesy may produce adverse effects in certain areas, such as concerts, theater, church, etc., this is a kind of disturbing, embarrassing myself and for people to share their personal information, everyone was listening. The damage to cell phone signals is similar to any damage to radio communications. Mobile phones operate on the basis of their service stations. A mobile phone blocker sends similar radio frequencies from the phone and generates a service denial of attack. His radio spectrum was subjected to this interference.

High power portable mobile phone signal dampers usually have strong interference ability, wide interference radius and wide interference frequency types make them widely used. Different frequencies can be blocked simultaneously or separately. In addition to different higher power cell phone jammer, there are also different applications, some designed for bomb handling and VIP protection during combat and security protection. Others were designed for police convoys and so on.

Phone reception blocker Cell phone and wifi jammer