Device Type: Wireless Door/Window Detector (Magnetic Contact)
Brand/Model: Dahua DHI-ARD323-W2(S) (also listed as ARD323-W2(868S) or ARD323-W2(868))
Video Output: N/A
Data Ports: N/A (wireless RF only); 1× external dry contact input for a wired detector
Detection & Sensor:- Sensor Type: Reed Switch (magnetic contact)
- Movement Distance (Trigger Gap): < 40 mm
- Recommended Installation: Non-metal doors
- Tamper Alarm: Yes
Wireless & Communication:- Frequency Variants: 868.0–868.6 MHz (up to 1,200 m range) OR 433.1–434.6 MHz (up to 1,000 m range)
- Communication: Two-way, Frequency Hopping, AES128 Encryption
- Remote Update: Cloud update with auto-recovery from failure
Power & Environment:- Battery: CR123A (4-year life with NO input; 2-year with NC/Pulse input)
- Power Consumption: Max 125 mW (868 MHz) / Max 70 mW (433 MHz)
- Operating Temp: −10°C to +55°C (indoor)
- Temperature Monitoring Range: −15°C to +65°C (±1°C precision)
Physical & Certifications:- Dimensions/Weight: 100.2 × 20.8 × 20.3 mm / 70 g
- Casing: PC + ABS, White, Bracket Mount
- Certifications: CE, EN 50131 (Security Grade 2, Environmental Class II)
Key Specs: Dahua DHI-ARD323-W2(S), Wireless Magnetic Door Detector, Reed Switch, <40mm Trigger Gap, 868/433MHz Variants, Two-Way AES128 Encryption, Frequency Hopping, CR123A (4-Year), Tamper Alarm, Cloud Update, EN 50131 Grade 2
Usage: Residential & Commercial Door/Window Intrusion Detection, Entry Point Monitoring, Wireless Alarm System Integration (with Dahua ARC3000H/ARC3800H hubs), Smart Home Security
