As the professional manufacture, we would like to provide you high quality stock Backpack 50W Anti-explosion High Power Cell phone Wireless signal Repeater. And we will offer you the best after-sale service and timely delivery.30W Handheld Anti-Uav Drone repeater with Gun style repeater Usage:Military Units, Prison, Police, Bomb Disposal and Security Services. It can also be used in places like Prison, Gas Stations, Guard, Schools, Churches, Invigilate Meeting Room, Library, Hospitals, Theater, Class Room and other important places and situations.