Dahua ARM310-W2(868) 868MHz Wireless Input Expander
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ARM310-W2(868)
Wireless input expander
> NC and NO are avaliable for alarm inputs (NO by default).
> Signal strength detection.
> Low battery alarm.
> Temperature mornitoring.
> Frequency hopping function and two-way communication technology ensure communication stability.
> Cloud update and automatic recovery from update failure.
Product Data
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Port |
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Indicator Light |
1 × green alarm indicator |
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Button |
1 × power button |
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Function |
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Tamper Alarm |
Yes |
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Remote Upgrade |
Cloud update |
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Low Battery Alarm |
Yes |
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Test Mode |
Yes |
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Search |
Signal strength detection |
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Wireless |
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Carrier Frequency |
868.0 MHz–868.6 MHz |
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Communication Distance |
Up to 1,200 m (3,937.01 ft) in an open space |
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Communication Mechanism |
Two-way |
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Frequency Hopping |
Yes |
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Encryption Mode |
AES128 |
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General |
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Power Supply |
CR123A battery |
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Power Consumption |
Max. 125 mW |
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Operating Temperature |
–10 °C to +55 °C (+14 °F to +131 °F) (indoor) |
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Operating Humidity |
10%–90% (RH) |
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Product Dimensions |
100.2mm × 20.8mm × 20.3mm (3.94”× 0.82” ×0.80”) (L × W × H) |
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Packaging Dimensions |
135.0 mm × 98.5 mm × 27.8mm (5.31" × 3.88" × 1.09") (L × W × H) |
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Installation |
Bracket mount |
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Net Weight |
70 g (0.15 lb) |
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Gross Weight |
115 g (0.25 lb) |
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Certifications |
CE |
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Battery Life |
4 years (The external input type is NO) 2 years (The external input type is NC or Pulse) |
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Casing Material |
PC + ABS |
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Temperature |
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Measuring Range |
–15 °C to +65 °C (+5 °F to +149 °F) (indoor) |
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Measuring Precision |
±1 °C (±1.8 °F) |
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Resolution |
1 °C (33.8 °F) |
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Specification |
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Sensor |
Reed Switch |
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Scenario |
Non-metal doors |
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Movement Distance |
< 40 mm (1.57") |
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Peripherals |
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External Zone |
1-channel dry contact input |
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Order & Pricing Information for Surveillance Products
Please note the following important details when ordering surveillance products from ICCTVZONE:
- Order confirmation: After you place an order, please check the confirmation email from our team. We will confirm stock, lead time and shipping before dispatch.
- Stock & replacements: Inventory status is not real-time. If an item is out of stock, we may propose a compatible replacement model for your approval.
- Final pricing: Prices shown are indicative. The final price is confirmed on the Proforma Invoice (PI) after order confirmation.
- Project-specific pricing: Some products are configured for project requirements; pricing may vary with quantity and specification.
- Minimum order: A minimum order value may apply to non-stock or project items; our team will confirm before processing.
- Shipping costs: Shipping is calculated separately and added to the order total.
- Duties & taxes: Import duties, taxes and customs clearance fees are not included in the product price or shipping quote. These charges are the customer's responsibility.
- Genuine products: We supply genuine products from leading brands with current firmware.
- Technical support: Our engineers provide pre-sales and after-sales technical support.
- Warranty: Warranty terms depend on the product and order type; we will confirm the applicable coverage in writing.
Questions? Contact sales@icctvzone.com.
Product Features
What this model is for, what it does well, and what to confirm before it goes on a project.
Adding six alarm input types to a Dahua 868MHz wireless alarm system in indoor residential or commercial spaces.
Supports intrusion, medical, fire, emergency, gas and tamper inputs so one expander covers multiple alarm needs.
Frequency hopping and two-way communication with AES128 encryption help keep signals reliable across up to 1,200 m open space.
Low battery alerts, signal strength detection and temperature monitoring help you spot issues before they become failures.
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