Description
Dahua ARM320-W2 Wireless Transmitter
The Dahua ARM320-W2 is a wireless transmitter designed to integrate external wired detectors or alarm devices into a compatible Dahua wireless alarm system.
It is ideal when you want to bring an existing wired sensor into a wireless Dahua setup without running a full cable path back to the hub.
This compact module supports external power connection, two alarm inputs, two-way wireless communication, AES128 encryption, frequency hopping,
cloud updates, overheating alarm and tamper protection. It is a practical solution for installers who need more flexible alarm integration. [oai_citation:1‡Dahua Technology](https://www.dahuasecurity.com/au/products/All-Products/Alarms/Wireless-Alarm/Accessories/ARM320-W2?utm_source=chatgpt.com)
Key Features
- Wireless transmitter for Dahua alarm systems
- Designed to connect external powered wired devices
- 2 alarm inputs (1 for alarm, 1 for anti-tampering)
- Supports six alarm types
- Two-way wireless communication
- AES128 encrypted communication
- Frequency hopping for stable signal performance
- Triggers alarm when the device is moved
- Overheating alarm support
- Cloud update support
What Does This Transmitter Do?
The ARM320-W2 is used to bring a compatible external wired device into the Dahua wireless alarm ecosystem.
It is especially useful when an installer wants to keep an existing powered detector or trigger point while upgrading the rest of the site to a Dahua wireless system.
This makes it a flexible option for retrofit installations, commercial alarm upgrades and mixed wired-wireless alarm setups.
Why Choose the ARM320-W2?
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Great for retrofits: connect an existing wired powered detector into a Dahua wireless system
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Flexible integration: supports external power supplies and dual input design
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Reliable wireless: two-way communication with frequency hopping improves stability
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Secure transmission: AES128 encryption helps protect communication
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More installer control: ideal for hybrid alarm upgrades and specialised trigger points
Specifications
| Model |
ARM320-W2 |
| Product Type |
Wireless Transmitter |
| Alarm Input |
2 (1 for alarm and 1 for anti-tampering) |
| Supported Alarm Types |
Intrusion, medical, fire, emergency, gas and tamper |
| External Power Supply Support |
Yes |
| Tamper Alarm |
Yes |
| Overheating Alarm |
Yes |
| Remote Upgrade |
Cloud update |
| Communication Mechanism |
Two-way wireless |
| Encryption |
AES128 |
| Frequency Hopping |
Yes |
Frequently Asked Questions
What is the Dahua ARM320-W2 used for?
It is a wireless transmitter used to connect an external wired powered device or detector to a Dahua wireless alarm system.
How many inputs does it support?
It supports 2 inputs: 1 for alarm and 1 for anti-tampering.
What alarm types does it support?
It supports intrusion, medical, fire, emergency, gas and tamper alarm types.
Does it support external power connection?
Yes, Dahua states that it connects to external power supplies.
Is communication secure?
Yes, it uses AES128 encryption and frequency hopping technology.
Does it support tamper protection?
Yes, it can trigger alarms when the device is moved and supports anti-tampering input.
Can it be updated remotely?
Yes, it supports cloud updates.
Does it include overheating protection?
Yes, Dahua states that alarms go off when the device overheats.
More Information
Related Products
Tip: Use the ARM320-W2 when you want to retain a compatible wired detector or powered alarm device while upgrading to a Dahua wireless alarm system.
