Semi-Passive GSM data monitoring system is a broadband unique GSM interception system. It is designed to record the entire traffic occurring between BTS and Mobile Phone located within the system’s operational range. It is able to monitor and demodulate up to 548 frequency channels in real time. The device allows user to scan, analyze, intercept, monitor or record SMS and phone calls from GSM mobiles, regardless of whether they are encrypted by A5/0, A5/1, A5/2 or A5/3 algorithm.

The system supports all GSM networks. It is widely used in national departments and agencies such as Police, Public Safety, Procuratorates, Intelligence, etc., which plays a significant role in safeguarding national security and maintaining stability.