Dahua Airshield ARA12-W2 Wireless Indoor Siren

Dahua Airshield ARA12-W2 — High-Performance Indoor Siren

Effective indoor security requires a rapid and reliable response to intrusions. The Dahua Airshield ARA12-W2 wireless indoor siren features a sound output of 105 dB/m, ensuring a loud danger alert that reliably commands attention. With two-way communication technology and frequency hopping capabilities, it offers stable and secure signal transmission, even in environments prone to interference. Its compact dimensions of 81 x 81 x 26 mm allow for easy integration into any interior.

Stable Performance and Secure Transmission

The Dahua ARA12-W2 operates on the 868.0–868.6 MHz frequency band, designed for minimal interference and maximum reliability. The frequency hopping function makes the signal less susceptible to interference, ensuring a consistent connection between the siren and the security system. Two-way communication not only enhances stability but also enables features such as cloud updates and automatic recovery after failure, thereby minimizing downtime.

Reliable Power and Operational Durability

The siren is powered by two CR123A batteries, providing sufficient power with a maximum current draw of 240 mA. A low-battery alarm notifies you in advance when a replacement is needed, ensuring trouble-free operation. An operating temperature range of -10 to +55°C allows for safe use even in demanding conditions.

Integrated features for enhanced safety

The Dahua ARA12-W2 siren features a temperature monitoring function with a range of -15°C to +65°C, making it a useful tool for environmental monitoring. A tamper alarm provides an additional layer of security by detecting unauthorized tampering. Signal strength detection ensures the siren is always optimally positioned for maximum effectiveness.

Technical specifications

• Sound output: 105 dB/m
• Transmission frequency: 868.0 – 868.6 MHz
• Power supply: 2x CR123A batteries
• Current consumption: max. 240 mA
• Operating temperature: -10 to +55°C
• Temperature measurement: -15°C to +65°C
• Dimensions: 81 x 81 x 26 mm
• Weight: 105 g
• Tamper alarm: Yes