This cell phone jammer provides 30w Of jamming power. It is designed for prisons, Omni antenna or detention centers, and penal Institutions, etc. It can greatly reduce the possibility of guard, Schools, churches, invigilate meeting room, Library, hospitals, theater, class room and Other important places. Whats more, it has Metal enclosure which prevents sabotage. With The integrated incoming air filter, it makes sure The device cooling system operation normally. This is an optimal choice for you to take this Portable power 30w jamming system which is Specially designed for all fm 88, 108mhz Signal jammer! besides, you will also be Content with the easy operation method and High working efficiency as well! Taking use of super-high frequency with high Effective power. , · effective output power (channel power) and Bigger interfere radius. , · only interfere downlink frequency of mobile Systemwithout disturb normally working Of base stations.
