Dahua Technology
Dahua Keyfob ARA24-W2
Dahua Keyfob ARA24-W2
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Overview
The Dahua ARA24-W2 Wireless Keyfob is a compact remote controller designed for convenient operation of Dahua wireless alarm systems. It allows users to arm, disarm, activate home mode, and trigger emergency SOS alarms with a single button press, providing fast and reliable system control.
Featuring two-way wireless communication, AES128 encryption, frequency hopping technology, and cloud firmware upgrades, the keyfob ensures secure and stable communication with compatible Dahua Alarm Hubs. Its lightweight design makes it easy to carry in pockets, bags, or attach to keychains for quick access.
Key Features
Why Choose Dahua ARA24-W2?
Convenient Alarm Control
Quickly arm, disarm, switch to home mode, or activate an emergency alarm with dedicated buttons for easy daily operation.
Reliable Wireless Communication
Frequency hopping technology and two-way communication ensure stable and secure connectivity with the alarm hub.
Enhanced Security
AES128 encryption protects wireless communications from unauthorized access and interference.
Portable Design
Its compact size and lightweight construction allow the keyfob to be easily carried on keyrings or in pockets.
Long Battery Life
The CR2032 battery provides up to three years of operation, minimizing maintenance requirements.
Technical Specifications
| Feature | Specification |
|---|---|
| Product Type | Wireless Keyfob |
| Buttons | 4 Buttons (Home, Away, Disarm, SOS) |
| Indicator Light | 1 × Two-Color Status LED (Green: Normal, Red: Abnormal) |
| Signal Strength Detection | Supported |
| Remote Upgrade | Cloud Update |
| Low Battery Detection | Supported |
| Communication Mechanism | Two-Way Wireless Communication |
| Encryption Mode | AES128 |
| Frequency Hopping | Supported |
| Wireless Frequency | 868.0 MHz – 868.6 MHz |
| Transmission Power (EIRP) | Up to 25 mW |
| Communication Distance | Up to 900 m (Open Area) |
| Power Supply | 1 × CR2032 Battery |
| Battery Life | Up to 3 Years |
| Maximum Power Consumption | 100 mW |
| Operating Temperature | -10°C to +55°C |
| Operating Humidity | 10%–90% RH |
| Installation Environment | Indoor |
| Casing Material | PC + ABS |
| Dimensions | 60 × 39.5 × 15 mm |
| Net Weight | 20 g |
| Gross Weight | 65 g |
| Certifications | CE, EN 50131 Grade 2, Environmental Class II |
Applications
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