SMLIGHT SMHUB - Essential

Brand: SMLIGHT
  • Runs Zigbee2MWQTT, Matterbridge, and Node-RED locally
  • Zigbee, Thread, Wi-Fi, and Bluetooth radios built-in
  • Works seamlessly with Home Assistant
  • Built-in LEDs show status and can also be set to match your room's mood
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SMLIGHT SMHUB

The SMHUB is a professional-grade control hub running a Linux-based system that can host apps locally. It works seamlessly with smart home platforms like Home Assistant, and it can also expose Zigbee devices directly to Google Home or Apple Home, with no additional hubs required.

Key Features

All-in-One Hub

Unlike a plain coordinator, the SMHUB runs Zigbee2MQTT, Matterbridge, and Node-RED all locally right out of the box. Pair and manage devices right on the hub, then connect to Home Assistant, or run it standalone with no external controller at all. Note: Home Assistant itself runs on your own server, never on the hub.

Multi-Radio Support

Unlike single-purpose USB dongles or hubs limited to one radio, the SMHUB comes with multi-radio support built-in: Zigbee, Thread/Matter-over-Thread, Wi-Fi, and Bluetooth. Optional radio add-ons are available for Z-Wave and 4G/LTE.

Two Zigbee / Thread Radios

Carries two independent radios - a TI CC2652P and a Silicon Labs EFR32MG21. Use them as two Zigbee coordinators, a Zigbee network plus a Thread border router, or a primary and a parallel/redundant network.

Expose Zigbee to Matter

Matterbridge runs on the hub, reads devices paired through Zigbee2MQTT and exposes them as Matter devices on your local network, allowing your Zigbee gear to appear in ecosystems that don't normally communicate with Zigbee. 

Flexible Power Options

Power it via USB-C, PoE (with module), or UPS backup (with module).

Linux-Based System 

A professional-grade smart control hub running a Linux-based system, expandable with local apps such as MQTT broker and WireGuard.

Ambilight & Visual Effects

The built-in WS2812B LED strip and service LEDs don't just show system status, they can also be set to match the atmosphere of the room.

Optional Add-On Modules

  • Z-Wave: Adds 700/800-series controller functionality with Z-Wave Long Range and S2 security. Run Z-Wave JS UI locally and expose the network to Home Assistant. 
  • 4G/LTE: Adds Cat-1 mobile connectivity with GSM/EDGE fallback with a SIM slot, turning the SMHUB into a self-contained gateway, allowing it to serve as a primary link for remote sites or a backup when the wired connection drops. 
  • PoE (802.3af): A single Ethernet run provides both data and power to the hub, with no separate adapter required, ideal for ceiling or wall mounts.
  • UPS Module: 2 x 18650 cells, solar-ready with multi-input charging over an SPI interface, to keep the hub and its networks alive through a power cut. 

Expandable Hardware

USB ports, I²C, SPI, UART connectors for DIY modules.

OTA Updates

Over-the-air updates let you keep the device up to date, with the ability to update from the web UI.

Enterprise-Ready

Built for stability and reliability, but simple enough to setup at home.

Specifications

Core System

  • CPU: 2 cores - 1 GHz & 700 MHz
  • RAM: 512 MB 
  • Storage: 8 GB eMMC
  • microSD: Supported, up to 2 TB
  • OS: Linux kernel | Modular app support
  • Power: USB-C (power & upstream) | Optional PoE module | Optional UPS module

Radios

  • Zigbee / Thread (primary): CC2652P
  • Zigbee / Thread (secondary): EFR32MG21
  • Wi-Fi: Wi-Fi 6 | 2.4 GHz & 5 GHz
  • Bluetooth: Integrated BLE 5.0
  • Z-Wave: Optional, via Z-Wave module
  • 4G / LTE: Optional, via 4G/LTE module

Antennas

  • Zigbee: External antenna (5 dB)
  • Thread: External antenna (5 dB)
  • Wi-Fi: Integrated IPEX, expandable 5 dB
  • Bluetooth: Integrated IPEX, expandable 5 dB

Networking & I/O

  • Ethernet: 1 x RJ45 (10/100 Mbps)
  • USB: 1 x USB-A & 2 x USB-C (downstream) | 1 x USB-C (power & upstream)
  • DIY Headers: UART | I²C | SPI | GPIO

Peripherals

  • Infrared: Transmitter & receiver
  • Buzzer: Integrated
  • Ambilight: 12 x WS2812B addressable RGB
  • Audio: 3.5 mm output
  • User Control: 3 x buttons | 4 x service LEDs

Physical & Environmental

  • Operating Temperature: 0 - 50°C
  • Cooling: Passive | Silent | Fanless

Software & Security

  • Pre-installed Apps: Zigbee2MQTT | Matterbridge | Mosquitto | Node-RED | WireGuard | Node.js
  • Firmware: OTA updates supported
  • Security: Local-first | Encrypted connections

What's in the Box

  • 1 x SMHUB Essential Smart Hub
  • 2 x 5db gain antennas

Note

  • On 7/10/26 SMLIGHT officially released SMHUB OS v1.0.0, taking the device out of its Beta release phase.