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SMLIGHT - Zigbee 3.0 POE Ethernet USB Adapter EFR32MG21 (Zigbee2mqtt and ZHA)



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SMLIGHT SLZB-06M a USB Ethernet POE Zigbee 3.0 adapter for simple and efficient integration of your home automation devices.

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SMLIGHT - POE Zigbee 3.0 USB Ethernet Adapter EFR32MG21 (Zigbee2mqtt and ZHA)

The SMLIGHT SLZB-06M represents a Zigbee to Ethernet/USB/WiFi adapter with POE support, pre-flashed and ready to use. It can be used as a Zigbee 3.0 gateway on open source automation platforms such as Zigbee2MQTT, Home Assistant, ZHA.

It works in two modes - LAN and USB, with the ability to change modes via firmware or a button. It allows the addition of multiple Zigbee coordinators to a server, providing extended coverage and the ability to integrate them into a single Home Assistant instance.

Compatibility of the SMLIGHT SLZB-06M adapter with home automation boxes

  • Jeedom: ✅
  • Home Assistant: ✅
  • Tuya Smart Life: ❌

The device can be powered via POE or Type-C, and a microUSB-TypeC adapter is included in the package.

The Zigbee EFR32MG21 SoC features a +20dB boost, with a +5dB antenna included. Remote updates are possible for the EFR32MG21 and ESP32, without the need for physical access to the device.

In addition, the ESP32 can be flashed via USB, with a built-in auto-flash function. To secure the connection to the web interface, a password can be configured.

Installation and configuration of the SMLIGHT adapter

Concrete case of use of the SMLIGHT SLZB-06M product:

SMLIGHT- Adaptateur-USB-Ethernet-POE-Zigbee-3-0-EFR32MG21-(Zigbee2mqtt et ZHA)-8.jpg

Technical characteristics of the SLZB-06M SMLIGHT adapter

Zigbee 3.0 main chip: EFR32MG21 Silicon Labs

Main control chip: ESP32 Espressif


  • USB/UART converter: CP2102
  • Ethernet network: LAN8720
  • Output gain: +20dB
  • Additional antenna gain: +5dB
  • Ethernet Support: Yes
  • Wi-Fi Support: Yes
  • PoE support: Yes
  • PoE standard: IFFF802.3af (15W)
  • USB Type-C control: Yes
  • EPS32 autostart: Yes, via DTR / RTS
  • Pre-flashed: Yes, Zigbee and ESP
  • Zigbee 3.0 coordinator mode: Yes
  • Zigbee 3.0 router mode: Yes
  • Zigbee to Ethernet: Yes
  • Zigbee to USB: Yes
  • 3 modes: Zigbee to Ethernet, WiFi or USB mode
  • In 15 languages
  • VPN support for Wireguard add-on for Home Assistant
  • Live Zigbee and Core update, scheduled automatic updates
  • Secure connection, whitelist
  • Rich settings and controls
  • Adjustable and sophisticated interface with light/dark modes
  • Integrated help for all settings
  • For personal and professional use

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