Dahua Wireless Input Expander – 1.2km Range 4-Year Battery Multi-Alarm Support

Description

Professional Wired-to-Wireless Converter for Security Systems: The Dahua DHI-ARM310-W2(868) is a versatile wireless interface that bridges wired detectors with wireless security systems:

✔ Six Alarm Types – Supports intrusion, medical, fire, emergency, gas, and tamper alerts
✔ Long-Range 868MHz – 1,200m open-space communication
✔ Extended 4-Year Battery – Single CR123A battery (125mW max consumption)
✔ Military-Grade Security – AES128 encryption + frequency hopping
✔ Flexible Input – Compatible with NO/NC contact sensors
✔ Professional Certification – CE EN50131 compliant

Technical Specifications:

• Frequency: 868.0-868.6MHz (EU compliant)

• Input: 1-channel dry contact (NO default, NC configurable)

• Power: CR123A battery (2-year life with NC/pulse input)

• Dimensions: 100.2×20.8×20.3mm (Compact design)

• Weight: 70g (Ultra-lightweight)

• Operating Temp: -10°C to +55°C

• Material: Durable PC+ABS housing

Smart Features:

• Two-Way Communication – Real-time status confirmation

• Temperature Monitoring – ±1°C precision

• Cloud Updates – Remote firmware upgrades

• Signal Strength Detection – Optimal placement guidance

Installation & Use:

• Converts wired detectors to wireless operation

• Bracket-mounted near existing wired sensors

• Managed via DMSS mobile app (iOS/Android)

Ideal For:

• Retrofitting wired security systems

• Expanding wireless system capabilities

• Commercial property upgrades

• Multi-zone alarm configurations

Package Includes:

• Expander unit

• Mounting bracket

• Installation accessories

This professional-grade interface enables seamless integration of legacy wired sensors into modern wireless security systems. The compact form factor installs discreetly while providing enterprise-level encryption for all transmissions. With 4-year battery life and multi-alarm support, it’s perfect for upgrading existing security infrastructure without replacing detectors.