Cellular Control - CJM CPC Cellular Detection and Control System


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CJAM-CPC is a new solution for controlling the use of illegal or unauthorized cells phones. Based on a cellular testing system, the CJAM-CPC can control and eliminate the illegal use of cell phones by inmates in prisons, criminals during the committing of a crime, or ensuring complete cell phone security within a building. The system can be used for both CDMA and GSM communication, providing both hardware and software interfaces making the CJAM-CPC user friendly.

The CJAM-CPC solution monitors and interacts with cell phones by way of RF receivers and RF signal generators for both the Reverse and Forward channels. Using an integrated GPS receiver the CJAM-CPC is capable of precisely timed firing of signals and precise synchronization with the GSM and CDMA networks under test.

The CJAM-CPC can be deployed in its own chassis with connectivity through it's built in Ethernet port. The standalone version of CJAM-CPC provides complete portability allowing the system to be deployed as needed. The self contained model has the keyboard, screen and Ethernet interface built in.

As part of CJAM's Distributed Antenna System (DAS) the coverage area of the system increases to almost any size building. CJAM-CPC can be centrally located covering multiple buildings in a campus. The CJAM -CPC can be used as well in conjunction with CJAM-DT (cellular location system) and CJAM-NF (cellular jamming system) to provide a full solution for cell phone security issues all within a single DAS deployment. The figure shows the typical working of system.


Uses for the CJAM-CPC include:

CJAM-CPC Features include:

CJAM Working


CJAM - CPC controller and operator console are connected to the in building distributed antenna system (DAS). The in building DAS propagates the cellular uplink and downlink RF signals throughout the facility or complex. Illegal or unauthorized cell phones will attach to the in building DAS as cell phones are designed to connect to the antenna that has the greatest signal strength. Once a cell phone is connected to the in building DAS and making and receiving calls the CJAM-CPC system will monitor the cellular RF frequencies, detect and identify illegal or unauthorized cell phones by their unique identification number.

Ref: http://www.cjam.com/index.php?id=cellularcontrol

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