Dahua
Dahua ARD323-W2(S) Wireless Magnetic Contact
Product Code: ARD323-W2(S)
Dahua wireless alarm system door contact. Supports tamper alarm, low battery notification, and remote update via cloud. Green status indicator displays pairing and alarm condition on-site; battery life is monitored from panel to ensure timely replacement.
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Technical specifications
| Indicator Light | 1 x green alarm indicator |
| Button | 1 x power button |
| Tamper Alarm | Yes |
| Remote Upgrade | Cloud update |
| Low Battery Alarm | Yes |
| Test Mode | Yes |
| Call | Signal strength detection |
| Carrier Frequency | 433.1 MHz–434.6 MHz |
| Communication Range | Up to 1,000 m (3,280.84 ft) in open area |
| Communication Mechanism | two-way |
| Frequency Hopping | Yes |
| Encryption Mode | wheeled devices must have |
| Power Supply | CR123A battery |
| Power Consumption | Max. 70 mW |
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