The Portendo OPC (OPerations Central) is an information system for intelligence gathering, mapping and risk assessment. It collects information on potential security threats from a vast number of Tracer sensors spread over a large area. Threats are presented on a GIS (Graphical Information System) map as color overlays.

Several Portendo OPC surveillance centers may be connected into a network and exchange selected information. Non-homogenous sensor networks can be run by civilian