The SMJ1890 was designed for blocking cellular networks of all kinds of cellular standards in the world. The SMJ1890 is using high-end technology for maximum performance. The unit is controlled by a Microprocessor for DDS programming. The unit was designed with the capability of jamming specific channels inside the cellular network bands only.
Technical Specification
Cellular (2G,3G,4G,5G), Wi-Fi, satellite
DDS synthesized signal modulation
Optimized deployment to keep facility perimeter
Optional: selective jamming by predefined “white list”