Contacto magnético sem fios DAHUA ARD323-W2(868S)

The DAHUA ARD323-W2(868S) is a wireless reed switch designed for reliable door/window status monitoring in security systems. Operating at 868 MHz, it offers a long transmission range of up to 1000m in open space and integrates seamlessly with Dahua alarm hubs.

Advantages

Easy surface mount installation, long battery life of up to 3 years, and tamper protection ensure robust security. The magnetic contact detection with a 25mm gap provides precise monitoring.

Suitable for

• Residential and commercial security systems
• Door and window open/close detection
• Integration with Dahua alarm hubs (e.g., ARC3000H-GW2)

Key specifications

• Wireless frequency: 868 MHz
• Detection method: Magnetic contact (reed switch)
• Power supply: 1x CR123A battery (included)
• Battery life: Up to 3 years
• Wireless range: Up to 1000m (open space)
• Tamper protection: Yes
• Installation: Surface mount
• Operating temperature: -10°C to +55°C
• Dimensions (main unit): 100.2 × 20.8 × 20.3 mm
• Dimensions (magnet unit): 48.3 × 20.8 × 11.8 mm
• Weight (main unit): 48 g

Recommendations

For optimal performance, pair with a compatible Dahua alarm hub. Ensure the device is mounted on a clean, dry surface and test the wireless signal strength before final installation.