Alarm zone expander Dahua Technology ARM310-W2(868) 1 input

The DAHUA ARM310-W2(868) 1 input alarm zone expander is a compact wireless input converter designed to integrate wired detectors into a wireless security system. The unit accepts one wired input and transmits alarm signals wirelessly, enabling existing sensors or perimeter contacts to communicate with a compatible receiver or control panel. It operates reliably across a temperature range from -10 to 55 °C and is suitable for installation in residential and small commercial environments. Setup and configuration can be performed using the DMSS mobile app for iOS and Android devices.

Advantages

The device provides a straightforward way to add wired detectors to a wireless security network without extensive rewiring. Its compact dimensions make installation flexible and unobtrusive. Low-power wireless transmission supports reliable signal delivery while preserving battery life in paired systems. Broad operating temperature tolerance ensures stable performance in typical indoor and sheltered outdoor installations.

Suitable for

• Villas and private homes
• Retail shops and small businesses
• Apartments and multi-dwelling units
• Perimeter contacts, magnetic door/window sensors, and wired motion detectors

Key specifications

• Input channels: 1 wired input for detector or contact
• Operation mode: wireless transmission of input events to the security system
• Operating temperature: -10 °C to 55 °C
• Form factor: compact enclosure suitable for concealed or surface mounting
• Configuration: mobile app setup via DMSS for iOS and Android

How to use

Connect the wired detector or magnetic contact to the single input terminal following the manufacturer wiring diagram and secure the device in the desired location. Power and pair the expander with the host security system according to system instructions, then use the DMSS app to register the device, assign zones and adjust event settings. Verify communication and sensor operation by triggering the connected detector and confirming receipt of the alarm event on the control panel or mobile app.

Recommendations

Install the expander within reliable radio range of the receiver or control panel and avoid placing it near large metal objects or strong electromagnetic sources. Use in enclosed or sheltered locations to stay within the specified temperature range, and test the wired connection and wireless link after installation to ensure consistent alarm reporting.