Archive: Jamming signal<br />4g lte, 3g, gps, wifi, gsm, cdma, dcs<br />mobile newtork jammer is a kind of device different from the most products of this category. It is a bigger mod developed to transmit very powerful output but not be used as handheld device. This desktop signal jammer can prevent all cell phone networks (gsm, cdma, 3g, 4g wimax, 4g lte, wifi, gps etc.) from working in the huge radius. With such powerful output you can block almost all mobile phons to avoid any cell phone signals in the area between 20-60 meters.<br />Hpj1000 is available with 6 or 8 bands please tell us more about your requirements and we will recommend the appropriate configuration for your needs.<br />Mobile network jammer is a signal blocker device that is meant to be installed at meeting room, conference area, museum, library, cinema or school. It also has a car adapter as its smaller analogues but when it works at your meeting room, the whole area is absolutely protection.