Cell Signal Jammer with 16 Antennas for Total Signal Control Ensure maximum privacy and signal control with our high-power cell signal jammer . Equipped with 16 independently switchable antennas, this device can block a wide range of frequencies including GSM, 3G, 4G, 5G, GPS, Wi-Fi, Bluetooth, UHF, and VHF, making it ideal for secure environments such as exam halls, prisons, or confidential meeting rooms. Number of Antennas 16 (removable and adjustable) Jamming Frequencies GSM, 3G, 4G, 5G, GPS, WiFi, Bluetooth, UHF, VHF, etc. Jamming Range 5 to 40 meters (depending on environment) Output Power 40W Power Supply AC adapter + car charger Cooling Dual built-in fans Usage Stationary or portable Dimensions 34 x 22 x 6 cm Weight 2.5 kg Simultaneously blocks up to 16 signal bands Independent switches for each antenna for flexible control Effective cooling system for extended operation Wide application : schools, businesses, secure facilities Complete kit with power supply and antennas included Choose our cell signal jammer to maintain a secure and interference-free environment. A professional-grade solution for modern signal management and privacy protection.