The SA-BJ11 is a powerful 150W mobile phone signal jammer designed to block 2G, 3G, 4G, 5G, WiFi, and GPS signals in a single unit. Built with 11 pieces of 9dBi antennas, this device provides effective jamming coverage up to 50 meters. Featuring a durable PVC exterior and advanced cooling system, it's engineered for continuous 24/7 operation.

• High output power: 150W with single module design for all 11 channels
• Effective jamming range: Up to 50 meters (depending on BTS distance)
• Comprehensive signal blocking: 2G, 3G, 4G, 5G, WiFi 2.4G/5.8G, and GPS
• Independent WiFi on/off control for selective signal blocking
• Massive MIMO antenna technology with 14dBi signal transmission per channel
• Precise voltage design for stable operation under voltage fluctuations
• Imported IC chip for strong, stable power output performance
• Durable PVC outshell with metal alloy backplate
• Advanced cooling system with heatsink, dissipation fins, and large fans
• Wall mount design for easy installation and optimal coverage
• Safe operation with no harm to human health

• Prevent illegal phone use in prisons, detention houses, stations, law courts, and procuratorates
• Protect against document and business secret leaks in real estate transactions, conference rooms, government sites, and security facilities
• Avoid hazardous accidents caused by phone/WiFi signals in petrol stations, chemical factories, oil depots, and hazardous storage areas
• Eliminate phone noise in libraries, theaters, concert halls, auditoriums, and churches
• Prevent examination cheating in schools, training classes, and sports competitions
• Improve workplace safety and efficiency by preventing phone use during working hours in textile mills, metallurgical plants, etc.

• Signal Jammer × 1 piece
• AC Adapter × 1 piece
• Detailed User Manual × 1 piece