SLZB-MR4 Dual-Radio Zigbee & Thread Ethernet Coordinator

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

• 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:

• Zigbee2MQTT

• ZHA

• Home Assistant

• Matter-over-Thread

• Z-Wave JS (via external USB stick & passthrough mode)

Technical Overview

• Chipsets: CC2674P10 (Zigbee) + EFR32MG26 (Thread/Matter)

• Firmware: SLZB-OS (web interface, OTA, VPN, logs)

• Power: PoE (802.3af) or USB-C

• Connectivity: Ethernet (primary), isolated USB-C

• Mounting: Wall or DIN-rail compatible

• Antennae: Dual external high-gain (included)

• Additional: Optical isolation between LAN and USB

What's in the Box?

• SLZB-MR4 Main Unit

• 2 × External 5 dBi Antennas

• Wall/DIN rail mounting accessories

• USB-C cable (for alternative power)

• Quick-start instructions