Grekkom Technologies has extensive experience in the development of perimeter surveillance systems, enabling the detection of intrusions and their different variants (intrusion, prowling, crawling, dropped / removed object, frontier crossing, invasion, stopped vehicle, vehicle driving against traffic, sabotage) that can be applied in the most demanding environments: critical infrastructures, photovoltaic power stations, prison surveillance, frontier/ border control, residential areas surveillance, tunnel surveillance or railway and subway surveillance.