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SMLight SLZB-MR1U - Zigbee & Matter-over-Thread Gateway with PoE, Ethernet/USB/Wi-Fi
Availability: 10st
SMLight SLZB-MR1U — Zigbee & Matter-over-Thread Gateway with PoE, Ethernet/USB/Wi-Fi
Short description
SLZB-MR1U is a versatile Zigbee 3.0 and Matter-over-Thread gateway that connects via Ethernet (10/100), Wi-Fi 2.4 GHz, or USB-C and can be powered by PoE (802.3af). It’s pre-flashed and ready for Home Assistant (ZHA) and Zigbee2MQTT, with an external +5 dBi antenna and +20 dB radio output for long-range, reliable coverage.
Long description
The SMLight SLZB-MR1U is built for stable, high-range smart-home networks. Run it as a Zigbee 3.0 coordinator or router, or switch to Matter-over-Thread router mode—directly from the web UI or the physical button. Thanks to Power-over-Ethernet you can place the gateway in the best possible spot without extra power cabling. Under the hood, a TI CC2652P radio handles Zigbee/Thread, while an ESP32-D0WD manages connectivity and features like remote updates, mode switching, and an integrated USB flasher with auto-boot. It works great with Home Assistant (ZHA) and Zigbee2MQTT, and supports devices from major brands such as Aqara, IKEA, Philips Hue, Sonoff, and Tuya.
Highlights
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Zigbee 3.0 & Matter-over-Thread — coordinator/router modes, switchable in one click
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Flexible connectivity — use as an adapter to Ethernet, Wi-Fi, or USB
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PoE (802.3af) — power directly via Ethernet for cleaner installs
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Pre-flashed — plug-and-play with Zigbee2MQTT and Home Assistant (ZHA)
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Long range — +20 dB radio output and external +5 dBi antenna
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User-friendly — 4 status LEDs, mode button, remote firmware updates
Technical specifications
Chipsets & radio
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Radio SoC: Texas Instruments CC2652P
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System controller: Espressif ESP32-D0WD (dual-core 240 MHz)
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USB/UART bridge: Silicon Labs CP2102N
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Ethernet PHY: Microchip LAN8720
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Antenna: External L-/I-shaped +5 dBi (Baishi), internal Wi-Fi/BLE antenna
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Radio output gain: up to +20 dB
Power & data
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USB-C (data/ power)
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PoE: IEEE 802.3af (48 V)
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Typical consumption: 1.5–3 W
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Network: Ethernet 10/100, Wi-Fi 2.4 GHz, Bluetooth-ready
Operating modes
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Zigbee 3.0 coordinator (Zigbee2MQTT / ZHA)
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Zigbee router
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Matter-over-Thread router
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Standalone Zigbee hub
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Zigbee/Thread to Ethernet / USB / Wi-Fi
Firmware & convenience
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Pre-flashed, SLZB-OS compatible
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ESP32 flasher integrated, Autoboot via DTR/RTS
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4× status LEDs, physical mode button
Dimensions & weight
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Adapter: 160 × 24 × 28 mm, 86 g
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Antenna: 192 × 12 × 12 mm, 15 g
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Package: 180 × 25 × 40 mm, 105 g
Environment
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Operating temperature: +5 — +35 °C
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Humidity: < 60 %
Compatibility
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Home Assistant (ZHA), Zigbee2MQTT
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Works with multi-brand Zigbee devices (e.g., Aqara, IKEA, Philips Hue, Sonoff, Tuya)
In the box
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SLZB-MR1U gateway
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External 5 dBi antenna
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Mounting screws/tape
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Quick start info (online manual/resources)