The system is intended to be used for passive realtime monitoring. The system emulates a "clone" of the target's handset. Communication is monitored, decoded and deciphered using A5/1 and A5/2.
The system is intended to be used for active realtime monitoring. The system creates a "fake" BTS (base transceiver station or cell) with the best opearation parameters for handsets in the working area. Communication is monitored, decoded and deciphered using A5/0, A5/1 and A5/2.
The system is intended to be used by governement agencies and law enforcement organisations in order to collect basic GSM informationn (IMSI, IMSEI) about handsets. Sending of SMS to handsets in the locals area is also available.