AWACS APAS2 APS2 siren defoaming module

The APS2 self-powered siren is a bidirectional outdoor radio siren, complete with a LED flashing light and operating exclusively on alkaline batteries. The power is supplied by 5 1.5 Volt alkaline batteries type DURACELL ULTRA M3, size “D”. The siren is protected against removing the cover, against detaching from the wall and is equipped with optional anti-foam protection. The device is able to receive command signals from the AP128, AP64 and AP16 control panels for the activation of the alarm and the state of the system, as well as to transmit the supervision signal, the control of the battery voltage and the anti-tampering signal to the control