SMLIGHT SLZB-06M Zigbee LAN PoE USB Wi-Fi Adapter Z2MQTT ZHA Thread EFR32MG21

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Article description:

USB ZigBee 3.0 Thread (Matter) gateway

The SMLIGHT SLZB-06M is a versatile Zigbee adapter that functions as a Zigbee-to-LAN, USB, or Wi-Fi adapter.

Thanks to the powerful EFR32MG21 chip with a +20 dB output gain and the included +5 dB antenna, it provides a stable connection for your smart home system.

The adapter can be powered via PoE (Power over Ethernet), USB-C, or micro-USB. A key feature is the optoelectronic isolation between Ethernet and USB, allowing both to be used safely at the same time.

High-performance EFR32MG21 Zigbee chip: Provides stable and fast communication.

Expandable Zigbee capacity: A single SLZB-06M can manage up to 150 devices. Using multiple adapters increases capacity proportionally.

Secure Zigbee network expansion: LAN coordinators are more reliable than standalone Zigbee routers, as router disconnections do not affect the entire network.

Independent placement: The coordinator can be positioned independently of the Home Assistant server for optimal placement.

Zigbee2MQTT, ZHA, and Thread support: Perfect for Home Assistant and other smart home integrations.

ESP32 for high stability: ESP32 and EFR32MG21 chips are integrated on a single board, enhancing system performance.

ESP32 Autoboot: Simplifies flashing via USB-C.

Compact Design: Only 22 mm wide – ideal for tight installation spaces.

Recommended Use Cases for the SMLIGHT SLZB-06M

Thanks to its flexible power supply options and versatile network connectivity, the SLZB-06M is ideal for:

Smart home systems with multiple Zigbee devices

Large areas requiring a stable Zigbee network

Installations where the Zigbee coordinator needs to be positioned separately from the Home Assistant hub

Multi-building scenarios (e.g., houses, garages, offices) connected to a single Zigbee network

Why optoelectronic isolation between Ethernet and USB?

Thanks to the isolation between USB-C and Ethernet, both interfaces can be used simultaneously without interference. This means you can connect the adapter to Home Assistant via USB while also integrating it into your network via Ethernet.

Why a 5 dB antenna?

The included 5 dB antenna significantly improves the Zigbee signal range, ensuring a more stable connection between your smart home devices.

Specifications:

Model No.: SLZB-06M

Main Zigbee Chip: EFR32MG21 (Silicon Labs), 96 KB RAM

Flash Storage:: 1024 KB

Main Controller: ESP32 (Espressif)

USB/UART Bridge: CP2102 (921600 bps)

Ethernet SoC: LAN8720

Zigbee SoC Output Power: +20 dB

Additional Antenna: +5 dB

Ethernet Support: Yes

Wi-Fi Support: Yes

PoE Support: Yes, IEEE 802.3af (15W)

USB Type-C Control: Yes

ESP32 Autoboot: Yes, via DTR/RTS

Pre-flashed: Yes, with Zigbee and ESP firmware

Zigbee 3.0 Coordinator Mode: Yes

Zigbee 3.0 Router Mode: Yes

Zigbee to Ethernet: Yes

Zigbee to USB: Yes

Zigbee2MQTT Support: Yes

ZHA Support: Yes

Thread Support: Yes (via firmware update, not parallel to Zigbee)

Enclosure: Compact design, < 22 mm width

Dimensions (LxWxH): 160 x 22 x 24 mm

Weight: 10 g

Operating Environment: +5°C to +35°C

1x SLZB-06M Zigbee LAN PoE USB Wi-Fi Adapter

1x 5 dB Antenna

1x USB-C to Micro-USB Adapter

Mounting Accessories: Screws and double-sided adhesive pad

For PoE usage, a compatible PoE power supply and a suitable network cable are required (not included in the package).