Wideband Passive GSM Monitoring System (SCL-5020WB)

GSM cell phone intercepts have been one of the key systems utilized by Intelligence agencies for Passive Intel acquisition. Available GSM Intercept technology always had a drawback on coverage area as well as number of targets intercepted. Shoghi’s new Wideband GSM intercept system is a Big GAME Changer in this domain. With a coverage range of upto 50 kms, interception of all 1024 GSM sessions, 128 simultaneous call monitoring from 30 BTS , Real-time Decryption, Direction Finding, etc. makes this an absolute must have technology for all Intelligence Community.

Identification of potential suspects in the crowded area like downtown is a challenge and faced by most of the intelligence agencies globally. Wideband Passive off-the-air interception of GSM traffic is the answer to counter the above challenge. We, at Shoghi, have developed Wideband Passive GSM Monitoring System (SCL-5020WB) which is designed to intercept the entire GSM traffic within its coverage range from GSM-900, DCS-1800, 3G and 4G network and can provide up to 1024 GSM sessions simultaneously. SCL-5020WD is 100% passive and its presence cannot be detected by anyone. It provides processed human intelligible traffic in the form of Audio, SMS and USSD content along with Call Related Information. With a high gain antenna, the system provides up to 50 km of interception range on downlink communications (from BTS to Mobile station) and up to 600m interception range on uplink communications (from Mobile station to BTS) subject to the network topology, buildings and other conditions. The system is equipped with a unique feature, which displays its own location as well as the service area of operators BTSs on digital map.

SCL-5020WD is a practical solution that enables extensive and loss-free gathering of information from all the mobile phones, which are operating in the vicinity of the system. It can intercept 128 frequency channels from 30 BTSs simultaneously and will provide 1024 duplex calls. Simultaneous monitoring of 1024 sessions provides intelligence agencies a means to collect and analyze the GSM traffic from a suspicious area in order to identify the potential suspicious targets. The system uses state of the art technology for real-time deciphering of A5.0, A5.1 and A5.2 cipher algorithms and provides human intelligible content. The SCL-5020WB support standards GSM-900, DCS-1800, 3G and 4G network (Interception of 3G and 4G network required 3G and 4G modules) in stationary or in mobile environment. The system is also capable of intercepting the Voice, SMS and USSD content from 3G and 4G/LTE network by using 3G and 4G modules.

SCL-5020 is equipped with operator workstation application, which allows the operators to listen to the call, and view the SMS on user-friendly graphical user interface. Any two calls can be listened in real-time while rest of the calls will be recorded in the system, which can be accessed by the connected operators. SCL-5020WD intercepts, decodes and displays the below information about originated or terminated Voice, SMS or USSD calls and signaling sessions (IMSI Attach and Location Update) of the intercepted GSM suspects

• Cell ID
• The number of the frequency channel (ARFCN)
• Name of the Operator
• LAC

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