ARM9A4-P-W2-868 is a wireless expansion module for intrusion alarm systems, equipped with 16 configurable NC/NO inputs with EOL resistors and 4 outputs, ideal for integrating wired devices into wireless security systems. It guarantees a radio range of up to 1600 meters to the compatible Hub and supports 230V AC or PoE power supply, with an auxiliary output of 12V 2A or 12V 0.75A depending on the power supply used. Designed for a 7Ah backup battery, it ensures flexibility and operational continuity. Dahua