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The Dahua DHI‑ARM7011‑W2 Wireless Relay Module enables reliable remote control of low‑voltage devices using secure two‑way wireless communication. With frequency hopping and AES128 encryption, it ensures stable and secure connections, supports cloud updates, and includes protections against tampering, overheating, and voltage issues — ideal for alarm systems and smart automation setups.
The Dahua DHI‑ARM7011‑W2 is a compact wireless relay module designed to integrate seamlessly into modern alarm systems and smart automation setups. Using two-way wireless communication and frequency hopping technology, it ensures stable and interference-resistant connections between devices, making it ideal for indoor security applications.
This module supports AES128 encryption and jamming detection, guaranteeing secure signal transmission, while cloud firmware updates allow for easy maintenance and automatic recovery in case of failed updates. Additional protections include overheating prevention and voltage monitoring, ensuring safe and reliable operation over long periods.
Equipped with 1-channel external tamper input, it provides real-time monitoring against unauthorized access or tampering. The device features a relay output (NO/NC, 0–36 VDC, Max 5 A) capable of controlling low-voltage devices remotely. It also has a test mode for easy system setup and verification.
Its compact PC + ABS casing is lightweight, wall-mountable, and designed for indoor environments with operating temperatures ranging from –10 °C to +55 °C. With a communication range of up to 800 m in open areas, it can cover medium-sized spaces efficiently, making it ideal for alarm systems, access control, and smart home automation.
Stable two‑way wireless communication with frequency hopping technology for interference resistance.
Jamming detection and AES128 encryption for secure signaling.
Cloud update support with automatic restoration on update failure.
Built‑in overheating and voltage detection protection.
Includes 1 channel external tamper input.
Test mode for easy system verification.
Model: DHI‑ARM7011‑W2
Alarm Input: 1 × tamper (NO/NC)
Relay Output: 1 × relay (NO/NC, 0–36 VDC, Max 5 A)
Wireless Carrier Frequency: 433.1 MHz–434.6 MHz
Communication Mechanism: Two‑way
Communication Distance: Up to 800 m in open space (868 MHz version may reach ~1,200 m)
Encryption: AES128
Power Supply: 7–24 VDC
Operating Temp: –10 °C to +55 °C
Installation: Wall mount
Casing: PC + ABS
Product Size: 39 mm × 33 mm × 19 mm
Net Weight: 45 g
Gross Weight: 60 g
| Weight | 0.45 kg |
|---|---|
| Dimensions | 135 × 98 × 56 cm |
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