ARA12-W2 Wireless Indoor Siren
The ARA12-W2 is a Dahua wireless indoor siren for AirShield alarm systems. It supports signal strength detection, low battery alarm, temperature measurement, cloud update and two-way communication with frequency hopping.
Designed for bracket-mounted indoor alarm signalling, it provides a local siren response while remaining part of the Dahua wireless security ecosystem. Confirmed 433.1 MHz-434.6 MHz operation and open-space communication distance up to 800 m support wireless placement planning.
Key Features
- Provides indoor audible alarm signalling for Dahua AirShield systems.
- Uses signal strength and low battery reporting to support maintenance awareness.
- Supports two-way communication with frequency hopping for wireless stability.
- Allows bracket mounting for straightforward indoor siren placement.
- Uses cloud update support to keep the device aligned with Dahua system maintenance.
- Catalogue Family:
- POWER SUPPLY
- Model:
- DHI-ARA12-W2
- Product Type:
- Power Supply
- Carrier Frequency:
- 433.1 MHz-434.6 MHz
- Communication Distance:
- Up to 800 m in open space
- Power Supply:
- 2 x CR123A batteries
- Sound Pressure:
- 105 +/- 3 dB at 1 m or higher
- Installation:
- Bracket mount
- Operating Temperature:
- -10 C to +55 C indoor
- Power Consumption:
- Max. 230 mW
- Gross Weight:
- 175 g
