Industrial Grade 4-Antenna Signal Blocker for 315MHz 433MHz 868MHz Frequencies 150W Total Power

The high-performance 4-antenna desktop signal jammer is designed for professional applications requiring reliable wireless signal blocking. With a total output power of 150W distributed across four frequency bands, this device effectively jams remote control signals in the 315MHz, 433MHz and 868MHz ranges.

This advanced signal jammer features independent power control for each frequency band, allowing precise adjustment of output power through convenient knobs. The system includes four external omni-directional antennas (500mm length) for optimal signal coverage.

The robust aluminum alloy housing incorporates an efficient cooling system with two large cooling fans, enabling continuous operation without overheating. The device supports both AC (110-240V) and DC (27V) power inputs for flexible installation options.

With a jamming range of 100-800 meters (depending on local signal conditions), this professional-grade jammer is suitable for various security applications including exam halls, government facilities, and confidential meeting rooms.

The device offers customizable frequency options and power settings, making it adaptable to different regional requirements and specific operational needs. Each frequency module features independent VSWR over protection for enhanced safety and reliability.