Upto 16 Duplex Channel interception and monitoring of GSM Communication on GSM-900/1800 standards in stationary or in mobile variant. Interception and Monitoring of Short Message Service (SMS) Traffic. Monitoring of forward and reverse channels. Automatic tuning of the system, scanning and recognition of control channels and communication system parameters. Auto detect, decoding and recording to the digital media (magnetic/optical) of telephone conversations in the system. Target selection by different parameters: