Intelligent Fences are dedicated for newly designed and mounted panel fence systems, as well as dedicated gates an wickets, with the possibility of adjusting, CALIBRATION, for all other kinds of metal fences. Our system module analyses 400 signals – vibrations – that are created on the fence within 1 second and relays the alarm signal only in case of violation of the borderline by a man, eliminating the effect of weather conditions and small animals, as factors that pose no threat to the protected object.