Dahua AirShield Wireless Transmitter ARM320-W2

Dahua AirShield Transmitter ARM320-W2

The Dahua AirShield ARM320-W2(868) is a compact wireless interface module designed to seamlessly integrate third-party wired detectors into the Dahua wireless ecosystem. This device acts as a digital bridge; when an external detector is triggered, the expander transmits the signal via RF to the Alarm Hub, which then reports the event to monitoring platforms. Using the DMSS app, users can customize the device to report six distinct alarm types: intrusion, medical, fire, emergency, gas, and tamper.

Reliability is at the core of the ARM320-W2, featuring a triaxial accelerometer to prevent unauthorized movement of the device. It provides two input channels, allowing for both alarm and tamper signals from the connected third-party sensor. The expander can even provide a small auxiliary power supply (3.3 V) to the external detector, all while maintaining a battery life of up to 5 years. With AES128 encryption and advanced frequency hopping, it ensures high-level security and stable performance in demanding environments.