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

Introducing the Smlight SLZB MR3 dongle

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

With its USB-C and Ethernet connectivity, it integrates easily into various home automation configurations. 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.

Smlight SLZB-MR3 features

• 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, stable communication
• Easy updating and management
• Firmware updates via intuitive web interface
• Native support for TI Z-Stack and Silicon Labs firmware
• Security and flexibility
• VPN support,
• communication encryption, advanced network settings
• Accessible control panel for managing connections and updates
• Robust, scalable design
• Compact, ventilated ABS housing
• Wall and DIN rail mounting for easy integration
• Dedicated LED indicators
• Independent LEDs for each radio
• Clear display of connection and power status

SLZB-MR3 technical specifications

• Radio chips:

• • Texas Instruments CC2674P10

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

S

• • ilicon Labs EFR32MG24

• • • Zigbee 3.0 support (Zigbee2MQTT & ZHA compatible).
    • Thread (Matter-over-Thread) support (Open Thread Border Router).
    • Ideal for Thread networks, also works perfectly with Zigbee networks.
    • Transmit power +20 dBm.
• Supported protocols: Zigbee
• • 3.0 (Zigbee2MQTT, ZHA), simultaneously with Thread.
  • Thread (Matter-over-Thread), simultaneously with Zigbee.
  • Supports simultaneous or switchable operation in multi-radio environments.
  • Wi-Fi.
  • Bluetooth.
  • Ethernet.
• Connectivity:
  • USB-C for data and power.
  • Ethernet connection.
• F
• irmware:
  • Radio firmware support:
  • 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 above (not compatible with versions below 2.8.7).
  • Features supported by SLZB-OS: VPN, over 20 languages, script support, network settings, security, dashboard, zHub mode, mode switch, OTA updates, etc.
• A
• ntenna:

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

• • Compact, robust ABS housing with ventilation.
  • DIN rail and wall-mount compatible (3D models available).
  • Easy mounting with double-sided adhesive tape.
  • Easy screw mounting with 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: enables numerous actions (mode change, reset, etc.).