The PKI 1585 Active GSM Monitoring System acts as a standard GSM base station, attracting the GSM mobile network to control devices in its vicinity, including the identity of retrievals, calls and SMS.

The general use of the PKI 1585 Active GSM Monitoring System is data analysis, selective jamming of communications, phone tampering, IMSI/ IMEI catching, presence detection, direction finding assistance etc.

• Capture mobile phones within range and extract their cellular identifiers (IMSI, IMEI, TMSI, MSISDN)
• Simulation of GSM 850,1900,900,1800 base stations
• Automatic network search and system setup
• Number identification for outgoing and incoming calls
• Interception of DTMF tones
• Ability to interrupt calls in progress
• Ability to selectively prevent calls
• Manipulate communications (calls & SMS)
• Cloning of a real mobile network
• Presence detection of a specific mobile phone or devices/destinations
• Real-time call and SMS interception from A5/0/1/2 cellular networks
• Supports up to 5- 12 full-duplex simultaneous calls
• Supports A5/0 reduction
• Built-in A5/2 decryption
• Built-in or remote A5/1 decryption
• Voice and data recording to hard disk
• Cause any targeted GSM phone transmission of an RF beacon to be located