🧰 Technical specifications
• Model: DHI-ARA43-W2
• Type: Alarm repeater
• Supported wireless peripherals: Up to 128 devices
• Storage battery: Built-in lithium battery
• Indicator light: 1 × Status indicator (pairing and operation)
• Power switch: 1 × Power switch
• Pairing mode: Auto / Manual
• Tamper alarm: Yes
• Low battery alarm: Yes
• Signal strength detection: Yes
• Remote update: Cloud update
• Power failure protection for configured parameters: Yes
• External power supply disconnection detection: Yes
• Wireless frequency: 433.1 MHz – 434.6 MHz
• Transmitter power (EIRP): ≤10 mW
• Communication distance: Up to 1000 m in open space
• Communication mechanism: Two-way communication
• Encryption: AES128
• Frequency hopping: Yes
• Power supply: 12 VDC, 1.5 A
• Battery backup time: Up to 35 hours
• Operating temperature: -10°C to +55°C
• Operating humidity: 10%–90% RH
• Installation: Wall mount / Desktop
• Casing material: PC + ABS
• Dimensions: 163 × 163 × 32 mm
• Net weight: 0.32 kg
• Gross weight: 0.74 kg
• Packaging dimensions: 219 × 187 × 91 mm
• Certification: CE
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