A5.3 Downgrader

Our A5.3 downgrader is specifically designed to support GSM Interception Systems, allowing for the interception of traffic from 2G networks utilizing A5.3 encryption. Employing state-of-the-art technology, the system efficiently downgrades A5.3 sessions in masse on selected Base Transceiver Stations (BTSs) to A5.1, thereby enabling interception. Furthermore, the system is versatile, capable of operating independently to seamlessly integrate with any cellular interception systems manufactured by third-party OEMs.

Product Overview

The A5.3 downgrader (SCL-A53CD) is an advanced multi-channel system which can downgrade A5.3 encryption to A5.1 on up to 16 BTSs within the service provider’s operational area. Utilizing proprietary complex algorithms and exploiting cellular network vulnerabilities, the SCL-A53CD seamlessly integrates into network-level security negotiation protocols to achieve encryption downgrade. It enables monitoring through our wideband passive GSM Monitoring system or any third-party solution, depending on operational requirements. The SCL-A53CD functions both standalone and in conjunction with our existing system or third-party passive GSM monitoring systems, facilitating comprehensive traffic monitoring from A5.3 encrypted BTSs.

Downgrade the A5.3 encryption to A5.0/A5.1/A5.2 encryption on chosen BTSs of the service provider’s network.

Uses proprietary complex algorithms and exploit cellular network vulnerabilities to downgrade the encryption as part of session security negotiation protocol on network level.

Can downgrade up to 16 Base Stations simultaneously in the area of operation.

Provides up to 20 Km operational range.

Displays target BTS distance and estimate the target’s BTS position remotely and present it on a digital map in its GUI.

System downgrade encryption covertly without any interference to the subscribers.

Filtering of the target’s session based on the time, date, IMSI, TMSI etc.

Standalone system which can be used with existing/new third-party GSM Monitoring System to enable the monitoring of the traffic from the BTSs which uses A5.3 encryption.

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Note:- All the system / equipments offered by us are for end - usage by Government or Ministry of Defence or its related agencies only and not for private or commercial usage.

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