Puls Biznesu published material about Advanced Protection Systems.
– Ctrl + Sky is a system for detecting and neutralizing drones (…) We use four different sensors: radars, radar-coupled cameras, radio signal sensor and acoustic sensor, which together provide effective detection of the drone in all weather conditions, from a very long distance, day and night – says Radosław Piesiewicz, president of the board and co-founder of Advanced Protection Systems.
https://www.pb.pl/polski-system-antydronowy-z-ktorego-korzysta-swiat-wideo-932188