Dahua DHI-ARA43-W2(868) Alarm Repeater
Key Features
- Connects up to 32 peripherals.
- Two-way RF communication.
- LED indicator displays device status.
- Supports manual and auto pairing, extending RF distance for your security system.
- Auto switches from dual antennas to reduce blind areas.
- Cloud update and auto recovery of update failure.
- Battery backs device working for over 35 hours when external power supply fails.
System Overview
The Alarm Repeater (DHI-ARA43-W2(868)) is a wireless repeater device designed to extend the communication range between an alarm hub and other accessories. It forwards messages received from accessories to the hub, providing a secondary communication path. This enhances the overall stability and reliability of the wireless security system. Users can utilize the DMSS app to manually select a path for accessories or allow the system to automatically select one.
Scene Application
This device is suitable for security applications in various scenes, including multi-floor villas, garages located far from residential areas, and office buildings or shops with internal partitions.
Technical Specifications
| Category | Specification | Details |
|---|---|---|
| Input/Output | Wireless Zone | 32 wireless peripherals |
| Storage Battery | Built-in lithium battery | |
| Indicator Light | 1 indicator (pairing and working) | |
| Power Switch | 1 power switch | |
| Function | Pairing Mode | Auto/Manual |
| Tamper Alarm | Yes | |
| Remote Update | Cloud update | |
| Power Failure Protection for Configured Parameters | Yes | |
| Disconnection Detection of External Power Supply | Yes | |
| Wireless | Low Battery Alarm | Yes |
| Search | Signal strength detection | |
| Carrier Frequency | 868.0 MHz - 868.6 MHz | |
| Communication Distance | Up to 1,600 m (5249.34 ft) in an open space | |
| Communication Mechanism | Two-way | |
| Encryption Mode | AES128 | |
| General | Frequency Hopping | Yes |
| Power Supply | 12 VDC, 1.5 A | |
| Battery Life | Battery standby time: 35 h | |
| Operating environment | -10 °C to +55 °C (+14 °F to +131 °F) (indoor) | |
| Operating Humidity | 10%-90% (RH) | |
| Product Dimensions | 163.0 mm x 163.0 mm x 32.0 mm (6.42" x 6.42" x 1.26") | |
| Packaging Dimensions | 219.0 mm x 187.0 mm x 91.0 mm (8.62" x 7.36" x 3.58") | |
| Installation | Wall mount; Desktop | |
| Net Weight | 0.32 kg (0.71 lb) | |
| Gross Weight | 0.74 kg (1.63 lb) | |
| Certifications | Certifications | CE |
| Casing | PC+ABS |
Ordering Information
| Type | Model | Description |
|---|---|---|
| Alarm Accessory | DHI-ARA43-W2(868) | Wireless repeater |
Application Diagram Description
The application diagram illustrates the connectivity of the Dahua Alarm Repeater within a security system. It shows the Internet/Cloud connected via TCP/IP, GPRS/4G, or Wi-Fi to an Alarm Hub. The Alarm Hub communicates wirelessly using RF868 protocol with the Alarm Repeater. The Alarm Repeater, in turn, connects to various wireless peripherals such as Wireless Door Detectors, Wireless PIR Detectors, Wireless Keyfobs, and Wireless Sirens, extending the system's reach and reliability.
Dimensions Description
The dimensions diagram provides the physical measurements of the Dahua DHI-ARA43-W2(868) Alarm Repeater. The main body is square with dimensions of 163.0 mm (6.42 inches) in length and width. The depth of the device is 32.0 mm (1.26 inches).
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