Smlight - Zigbee and Matter Thread USB Ethernet POE Adapter SLZB-MR4

Smlight SLZB-MR4: Zigbee & Thread Multi-Radio USB Ethernet PoE Adapter

The SMLIGHT SLZB-MR4 is a powerful next-gen multi-radio adapter designed for both home automation enthusiasts and professional integrators. Combining the advanced Texas Instruments CC2674P10 and Silicon Labs EFR32MG26 chipsets, it supports simultaneous Zigbee 3.0 and Thread (Matter-over-Thread) operations, offering ultimate flexibility and performance in managing your smart home or building networks.

With full compatibility with Zigbee2MQTT and ZHA (Home Assistant), this device can function as a Zigbee or Thread coordinator or router. Its versatile connectivity options—including USB-C, Ethernet, and PoE—along with robust external antennas and a modern web interface, make the SLZB-MR4 a comprehensive, open-source-friendly solution.

Main Features

• Dual radio support: Zigbee 3.0 and Thread (Matter-over-Thread) run simultaneously
• Based on high-performance chips: TI CC2674P10 and Silicon Labs EFR32MG26
• Full integration with Zigbee2MQTT and ZHA for open automation platforms
• Can act as a coordinator or router depending on user configuration
• Supports PoE (48V), USB-C, or Ethernet for flexible power and data
• Pre-flashed with SLZB-OS: dashboard, OTA, VPN, multilingual, scripting
• 2 high-gain external antennas (+5 dB) + internal Wi-Fi/Bluetooth PCB antenna
• 6 LED indicators for full visual feedback (per radio and status)
• Multifunction button for reset, mode change, etc.
• Ready to use out of the box
• Compact, ventilated ABS case: wall, DIN rail, adhesive, or screw mounting

Technical Specifications

• Model: SLZB-MR4
• Radio Chips:
  • Texas Instruments CC2674P10: Zigbee & Thread, +20 dBm, integrated PA
  • Silicon Labs EFR32MG26: Zigbee & Thread, +20 dBm
• Protocols Supported:
  • Zigbee 3.0 (Zigbee2MQTT & ZHA)
  • Thread (Matter-over-Thread)
  • Wi-Fi & Bluetooth via ESP32
• Connectivity:
  • USB-C for power and data
  • Ethernet (LAN8720) with 48V PoE support
• Power Supply:
  • PoE (802.3af, 48V)
  • USB-C (5V DC)
  • Low power consumption (max. 1.5W)
• Antennas:
  • 2x external SMA 2.4 GHz antennas (+5 dB included)
  • 1x internal PCB antenna (Wi-Fi/Bluetooth)
• Firmware:
  • TI Z-Stack for CC2674P10
  • SL Ember/EZSP for EFR32MG26
  • OTA updates and configuration via web interface
• Status Indicators: 6 LEDs (1 per SoC, system, and activity)
• Button: Multifunction button for reset, switching mode, etc.
• Case: Compact, ventilated ABS housing, wall/DIN rail/adhesive mount
• Software Compatibility:
  • Zigbee2MQTT
  • ZHA (Home Assistant)
  • OpenThread Border Router (Matter)
  • Home Assistant, Domoticz, Jeedom, etc.