Mobile phone signal jammer have become the pursuit of many netizens. In order to satisfy the high-speed Internet experience of home users, we have previously developed a mobile phone signal jammer device that can satisfy the three major operators. It can enhance the 234G Internet and call, and support multiple people to use the Internet at the same time, so there is no need to worry about playing games, watching videos, and catching the phenomenon of disconnection.https://www.greatjammer.com/cell-phone-jammer-c-1.html