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SLZB-MR4 Dual-Radio Zigbee & Thread Ethernet Coordinator
Compatible with




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Advanced smart home gateway with dual radios, PoE support, and open-source firmware – built for Home Assistant, Zigbee2MQTT, ZHA, and Matter-over-Thread setups.
Power Meets Flexibility
The SLZB-MR4 is a professional-grade smart home controller with both Zigbee 3.0 and Thread radios. With Power over Ethernet (PoE), USB-C fallback, and advanced SLZB-OS firmware, it's ideal for demanding installations or smart home enthusiasts who need reliability and control.
Key Features
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True Multi-Protocol
Dual-chip design (CC2674P10 + EFR32MG26) supports Zigbee and Thread simultaneously, including Matter-over-Thread. -
Reliable Wired Performance
Ethernet connection ensures stability with PoE for power – no messy USB dongles or signal loss. -
Advanced Firmware (SLZB-OS)
Control everything through a web UI: OTA updates, VPN, multi-language support, dashboards, and scriptable actions. -
Optimised Range & Antennas
Two high-gain (+5 dB) antennas and +20 dBm output power for maximum Zigbee/Thread signal coverage. -
Ready for Wall or DIN Rail Mounting
Compact, ventilated case with included adhesive pad and screws. LEDs and a multifunctional button for diagnostics and control.
Built for Home Assistant, Zigbee2MQTT & More
Whether you use Zigbee2MQTT, ZHA, Home Assistant, or plan to deploy Matter in the future, the MR4 is designed to handle your setup with full LAN-based reliability and OTA upgradeability.
Supports:
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Zigbee2MQTT
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ZHA
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Home Assistant
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Matter-over-Thread
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Z-Wave JS (via external USB stick & passthrough mode)
Technical Overview
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Chipsets: CC2674P10 (Zigbee) + EFR32MG26 (Thread/Matter)
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Firmware: SLZB-OS (web interface, OTA, VPN, logs)
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Power: PoE (802.3af) or USB-C
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Connectivity: Ethernet (primary), isolated USB-C
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Mounting: Wall or DIN-rail compatible
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Antennae: Dual external high-gain (included)
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Additional: Optical isolation between LAN and USB
What's in the Box?
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SLZB-MR4 Main Unit
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2 × External 5 dBi Antennas
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Wall/DIN rail mounting accessories
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USB-C cable (for alternative power)
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Quick-start instructions
We dispatch all orders quickly and securely from the United Kingdom.
United Kingdom
FREE Standard Delivery
- Royal Mail Next Day – £2.50
- DPD Next Day – £7.50
Orders are typically dispatched within 1 working day.
Next-day services apply to orders placed before the daily cut-off time.
European Union
- Standard International – £4.00
Estimated delivery: 2–11 business days
International (Rest of World)
- Standard International – £9.00
Estimated delivery: 3–17 business days
Returns
We offer a straightforward returns policy for your peace of mind.
Returns are accepted within 30 days of delivery.
Items must be unused and in their original packaging.
Customers are responsible for return postage unless the item is faulty or incorrect.
If you need to arrange a return, please contact our support team with your order number and reason for return, and we will provide instructions.
Zigbee technology offers several advantages for smart home enthusiasts:
Interoperability: Zigbee devices from different manufacturers can communicate with each other, giving you more options when building your smart home ecosystem.
Low Power Consumption: Zigbee devices are designed to be energy-efficient, helping you reduce your carbon footprint and save on energy costs.
Local Control: With Zigbee, your smart home data stays local, ensuring privacy and security without relying on cloud services.
At ZigbeeSmart, we're committed to providing top-quality Zigbee products and exceptional customer service. With our easy-to-use website, secure payment options, and fast shipping, you can shop with confidence and start enjoying the benefits of a smarter home in no time.
The compatibility logos displayed alongside this product indicate the smart home platforms and ecosystems it has been tested to work with.
At Zigbee Smart, we independently test every product we sell to confirm reliable pairing, stable connectivity, and correct feature support within the listed platforms. We do not rely solely on manufacturer claims — each compatibility badge reflects real-world verification by our team.
If a platform logo appears next to this product, it means:
The device has been successfully integrated and tested
Core features operate as expected within that system
The product meets our performance standards
Please note that compatibility may depend on hub models, firmware versions, and platform updates. For best results, ensure your system is running the latest software.
If you’re unsure whether this device will work with your setup, our team is always happy to help.