APIRIS is the only triple-technology barrier to combine an infrared barrier with synchronized and multiplexed beams, a microwave barrier and a microwave doppler sensor. The alarm is triggered when an intrusion is detected by the infrared and by one of the two microwave technologies APIRIS is an outdoor anti-intrusion system designed for the protection of sensitive sites such as prisons or military sites. Main APIRIS features: - 4 to 7 infrared beams spread over the whole column’s height - Double direction column - In case of a low visibility, one or more IR beams can be disqualified - Barrier connection with RS485 Network - History of the last 100 events