🧰 Technical specifications
• Model: DHI-ARD323-W2(868)
• Type: Wireless door detector
• Sensor type: Reed switch
• Detection method: Magnetic contact
• Movement distance: < 40 mm
• Application: Non-metal doors
• External zone: 1-channel dry contact input
• Indicator light: 1 × Green alarm indicator
• Button: 1 × Power button
• Tamper alarm: Yes
• Low battery alarm: Yes
• Temperature monitoring: Yes
• Signal strength detection: Yes
• Test mode: Yes
• Remote upgrade: Cloud update
• Wireless frequency: 868.0 MHz – 868.6 MHz
• Transmitter power (EIRP): ≤ 25 mW
• Communication distance: Up to 1200 m in open space
• Communication mechanism: Two-way communication
• Frequency hopping: Yes
• Encryption: AES128
• Power supply: 1 × CR123A battery
• Power consumption: Max. 125 mW
• Battery life: Up to 4 years (NO input) / Up to 2 years (NC or Pulse input)
• Temperature measurement range: -15°C to +65°C
• Temperature measurement accuracy: ±1°C
• Temperature resolution: 1°C
• Operating temperature: -10°C to +55°C
• Operating humidity: 10%–90% RH
• Installation: Bracket mount
• Casing material: PC + ABS
• Dimensions: 100.2 × 20.8 × 20.3 mm
• Net weight: 70 g
• Certifications: CE, EN50131 Grade 2, Environmental Class II
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