Dahua ARM9A4-W2(868) wireless alarm system I/O module – 16 inputs 4 outputs 868MHz 230VAC

I/O module for Dahua wireless alarm system

• Encrypted (AES128) communication between the modules is two-way at 868.0 MHz-868.6 MHz, with a distance of up to 1600m in direct line-of-sight mode.
• Power supply 100-240VAC, screw terminals
• 16 alarm inputs, 4 different line break resistors supported, 4 relay outputs (Max 30 VDC, 3A) and 2 power outputs 14.5V, total 2A (up to 24W).
• Operating temperature -10 °C to +55 °C, plastic housing, indoor installation
• Management and daily use of the system via the DMSS app.