We tested it—see the highlights and what to expect in real operation. In this video, we demonstrate the 40W 8-channel desktop signal jammer in action, showing how its independent adjustable bands and separate switches provide targeted jamming control. Watch as we explain the dual cooling system enabling 24/7 operation, demonstrate the antenna disconnection alarm, and showcase how this device blocks 2G/3G/4G/5G, WiFi, and GPS signals for detention center security applications.