DHI-ASF102S Door closure

The DHI-ARA43-W2 Alarm Repeater is a wireless signal extender designed to enhance the coverage and reliability of Dahua alarm systems. It relays communication between the alarm hub and wireless peripherals, eliminating signal blind spots and ensuring stable two-way RF transmission. Supporting automatic pairing, status indication, and backup battery power, it is ideal for larger homes, villas, shops, and multi-room premises where extended wireless coverage is required. Key features includes:

The Dahua DHI-ARA11-W2 Wireless Door Detector is a compact sensor that triggers an alarm whenever an armed door or window is opened. It supports two-way communication, frequency hopping, and AES128 encryption, and can display the open/close state on the DMSS App in real-time. Ideal for villas, shops, apartments, and indoor security systems.