SMLIGHT SLZB-MR3 - USB Ethernet POE Zigbee and Thread CC2674P10 + EFR32MG24 Adapter

The SLZB-MR3 is a next-generation Zigbee and Matter-over-Thread coordinator developed by SMLIGHT. It combines the Texas Instruments CC2674P10 and Silicon Labs EFR32MG24 chipsets, enabling full compatibility with Zigbee2MQTT, ZHA, and Matter-over-Thread.

Thanks to its USB-C and Ethernet connectivity, it easily integrates into various home automation setups. It supports Zigbee and Thread simultaneously or in dedicated mode.

Its compact housing, PoE or USB-C power supply, and optimized antennas ensure flexible installation and efficient radio transmission.

Features of Smlight SLZB-MR3

• Dual Zigbee and Thread radio
• Simultaneous or switchable operation between Zigbee and Matter-over-Thread
• Compatible with Zigbee2MQTT,
• ZHA and OpenThread Border Router
• Advanced connectivity
• USB-C for power and data
• Ethernet port for fast and stable communication
• Easy updates and management
• Firmware updates via an intuitive web interface
• Native compatibility with TI Z-Stack and Silicon Labs firmware
• Security and flexibility
• VPN compatibility,
• communications encryption, advanced network configuration
• Accessible control panel for managing connections and updates
• Robust and scalable design
• Compact and ventilated ABS casing
• Wall mounting and DIN rail options for easy integration
• Dedicated LED indicators
• Independent LEDs for each radio
• Clear visualization of connection and power status

SLZB-MR3 Technical Specifications

• Radio chips:

• • Texas Instruments CC2674P10

• • • Support for Zigbee 3.0 (compatible with Zigbee2MQTT & ZHA).
    • Support for Thread (Matter-over-Thread) (Open Thread Border Router).
    • Ideal for Zigbee networks, it also works perfectly with Thread networks.
    • Transmission power of +20 dBm with integrated amplifier (PA).
    • 296 kB RAM, 1024 kB Flash memory.

S

• • Silicon Labs EFR32MG24

• • • Supports Zigbee 3.0 (compatible with Zigbee2MQTT & ZHA).
    • Supports Thread (Matter-over-Thread) (Open Thread Border Router).
    • Ideal for Thread networks, it also works perfectly with Zigbee networks.
    • Transmission power of +20 dBm.
• Supported protocols: Zigbee
• • 3.0 (Zigbee2MQTT, ZHA)
  • , simultaneously with
  • Thread.
  • Thread (Matter-over-Thread), simultaneously with Zigbee.
  • It supports simultaneous or switchable operation in multi-radio environments
  • .
  • Wi-Fi.
  • Bluetooth.
  • Ethernet.
• Connectivity:
  • USB-C for data and power.
  • Ethernet connection.
• Firmware:
• • Radio firmware compatibility:
  • Compatible with TI Z-Stack (for CC2674P10).
  • Compatible with SL Ember/EZSP stack (for EFR32MG24).
  • Radio firmware update via web interface.
• SLZB-OS:
  • Compatible with SLZB-OS versions 2.8.7 and higher (not compatible with versions lower than 2.8.7).
  • Features supported by SLZB-OS: VPN, over 20 languages, script support, network settings, security, control panel, zHub mode, mode switching, OTA updates, etc.
• TO
• antenna:

• • Female SMA connectors for dual external antennas (one for each SoC radio).
  • PCB antenna for Wi-Fi and Bluetooth.
  2
• • High-performance 2.4 GHz antennas included.
• Feeding:
  • Powered via PoE, compatible with 48V PoE.
  • Power supply via USB-C (5V DC).
  • Low power consumption of up to 1.5W (if both radio SoCs are active).
• C
• Arcassa:

• • Compact and robust ABS housing with ventilation.
  • Compatible with DIN rail and wall mounting (3D models available).
  • Easy assembly with double-sided adhesive tape.
  • Easy assembly with screws thanks to the supplied kit (screws, screwdriver, ruler).
• LED indicators and peripherals:
  • Independent status LEDs for each radio (6 service LEDs in total: 2 LEDs for the main SoC, 2 for the CC2674P10 SoC, 2 for the EFR32MG24 SoC).
  • Multifunction button: allows you to perform numerous actions (change mode, reset, etc.).