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Dahua DHI-ARM7011-W2 Wireless Relay – Secure Remote Dry Contact Switch with AES128 Encryption, 800m Range, Overheat & Voltage Protection

Dahua DHI-ARM7011-W2 Wireless Relay – Secure Remote Dry Contact Switch with AES128 Encryption, 800m Range, Overheat & Voltage Protection

$66.30 AUD
$77.52 AUD $66.30 AUD
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The Dahua DHI-ARM7011-W2 Wireless Relay is a secure, intelligent dry contact control module designed for remote switching of low-voltage devices (0–36 VDC, max 5A) in alarm and automation systems. Built with two-way communication, AES128 encryption, and frequency hopping technology, this wireless relay ensures stable and interference-resistant connectivity up to 800 metres in open space. The device supports cloud-based firmware updates, jamming detection, voltage monitoring, and overheat protection, making it an ideal solution for remotely controlling electronic locks, sirens, garage doors, lighting circuits, or other security peripherals. Compact and lightweight, the DHI-ARM7011-W2 is built for indoor wall-mount installation and integrates seamlessly into the Dahua ecosystem via compatible alarm hubs and the DMSS mobile app.

What’s Included in the Box

  • 1 × Dahua Wireless Relay – DHI-ARM7011-W2

  • Quick Start Guide

  • Mounting Screws

  • User Manual

Main Features

  • Secure Remote Control: Remotely control connected devices (0–36 VDC, up to 5A) using a dry contact relay output.

  • Two-Way Wireless Communication: Reliable 433MHz frequency band with long-range connectivity up to 800m (line of sight).

  • Encrypted & Interference-Free: AES128 encryption with frequency hopping to prevent jamming or hacking attempts.

  • Tamper Detection Input: Monitors external tamper input (NO/NC configurable) for enhanced system security.

  • Overheat & Voltage Protection: Integrated safety measures extend the relay’s lifespan and protect connected circuits.

  • Cloud-Based Firmware Updates: Easily keep the relay up to date via remote DMSS app interface with automatic fallback.

  • Visual Status Feedback: Multi-status LED indicates pairing, signal, and operation statuses.

  • Compact Design: Minimal footprint allows easy integration into control panels or wall boxes.

Detailed Specifications

Category Specification
Model DHI-ARM7011-W2
Relay Output 1 × NO/NC dry contact (0–36 VDC, max 5A)
Alarm Input 1 × tamper input (NO/NC)
Communication Distance Up to 800 m (open space)
Frequency 433.1–434.6 MHz
Communication Two-way, AES128 encryption, frequency hopping
Power Supply 7–24 VDC
Overheat Protection Yes
Voltage Detection Yes
LED Indicator 1 (multi-status)
Operating Temperature –10 °C to +55 °C
Dimensions 39 × 33 × 19 mm
Weight 45 g (net), 60 g (gross)
Installation Wall mount
Material PC + ABS
Certifications CE, FCC

Warranty Information


The Dahua DHI-ARM7011-W2 comes with Dahua's standard 2 year manufacturer warranty. Warranty and after-sales service are supported through certified distributors in Australia and New Zealand.

Brand Description
Dahua Technology is a global leader in professional security and automation technology. Its product lineup includes intelligent relay systems like the DHI-ARM7011-W2 that allow seamless control and secure integration into modern alarm systems and building automation platforms.

SKU: DHI-ARM7011-W2

Practical Use Scenarios

  • Remote Gate/Barrier Control: Remotely trigger vehicle gates or access barriers securely via mobile app or control panel.

  • Garage Door Automation: Wirelessly activate garage doors using the relay in conjunction with an alarm hub.

  • Sirens & Lighting Circuits: Enable/disable visual or audible alerts in response to alarm events.

  • Security Locking Systems: Activate magnetic or electric locks on access control zones.

  • Smart Home Integration: Use as a wireless switch in custom automation workflows.

Datasheets & Downloads
📄 Dahua DHI-ARM7011-W2 Wireless Relay Datasheet

Excellence for the Australian and New Zealand Market

The DHI-ARM7011-W2 Wireless Relay is tailored for secure and reliable operation in Australian and New Zealand security installations. Designed for indoor temperature and humidity tolerances, the unit supports local firmware update servers and is available through authorised ANZ distribution channels, ensuring complete support for professional installers and system integrators.

FAQs 

Q: What kind of devices can I control with the DHI-ARM7011-W2?
A: The DHI-ARM7011-W2 can control any low-voltage (0–36 VDC, up to 5A) device, including sirens, garage doors, lights, and access control relays.

Q: What is the wireless range of the DHI-ARM7011-W2?
A: The DHI-ARM7011-W2 offers up to 800 metres of wireless communication in open space using secure two-way protocols.

Q: Does the DHI-ARM7011-W2 support secure communication?
A: Yes, it features AES128 encryption, frequency hopping, and jamming detection for high-security operation.

Q: How is the DHI-ARM7011-W2 powered?
A: The relay operates on a 7–24 VDC power input, suitable for alarm panels and automation systems.

Q: Can I update the DHI-ARM7011-W2 remotely?
A: Yes, it supports remote cloud updates and automatic recovery if the update fails

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