Nabu Casa - Home Assistant Connect ZBT-2

PRESENTATION

The Home Assistant Connect ZBT-2 represents the new generation of adapters for modern home automation. Designed by the official Home Assistant team, this USB dongle revolutionizes the integration of your Zigbee and Matter-over-Thread devices, offering a plug-and-play solution that's as simple as it gets.

With its optimized antenna and next-generation chip, the ZBT-2 guarantees stable, high-performance connectivity for all your sensors, switches, light bulbs and other smart devices. Gone are the days of multiple hubs cluttering up your installation: a single adapter is all you need to centralize your entire Zigbee and Thread ecosystem directly in Home Assistant.

Whether you're a home automation beginner or an advanced user, the Connect ZBT-2 adapts to your needs thanks to its extensive compatibility (ZHA, Zigbee2MQTT, OpenThread Border Router) and open-source design that makes customization and upgrades easy.

The result? A smart home that's more responsive, more reliable and easier to manage, all in one elegant device that blends in with your décor.

KEY FUNCTIONS

📡Optimized antenna for maximum coverage
The carefully calibrated antenna guarantees exceptional range and signal stability, even in difficult environments. Your devices stay connected at all times, without untimely interruptions.

⚡ 4× superior performance
Thanks to the latest-generation Silicon Labs MG24 chip, the ZBT-2 offers response times up to 4 times faster than the first-generation adapter. Your automations run instantly.

🔌 Plug-and-play installation
Plug in, launch Home Assistant's integrated setup wizard, and off you go! Migration from your old Zigbee or Thread network is just a few clicks away thanks to the automatic migration wizard.

🌐 Multi-protocol: Zigbee 3.0 & Thread
A single adapter for two standards: simultaneously manage your classic Zigbee devices and the new Matter-over-Thread devices. Enjoy the best of both worlds.

🏠Eliminate the clutter of hubs
No need to accumulate Philips Hue bridges, IKEA gateways or proprietary hubs. The ZBT-2 connects all your compatible devices directly to Home Assistant, simplifying your installation and reducing costs.

🌎 Universal compatibility
Compatible with all Zigbee and Thread regions. Connect thousands of devices, from proven Zigbee brands to the latest Matter-certified products.

💪 Integrated OTA updates
Home Assistant supports Over-the-Air (OTA) updates for leading brands, ensuring your devices always benefit from the latest security and functionality enhancements.

🛠️ Designed for DIY
An open, open-source platform, the ZBT-2 opens easily without clips or glue. Connectors and pins are accessible for advanced users who wish to customize or experiment.

🔄 Extensive software compatibility
Works with ZHA (Zigbee Home Automation), Zigbee2MQTT for advanced users, and OpenThread Border Router for Thread/Matter networks. You choose your preferred integration method.

✅ Guaranteed reliability
Developed and maintained by the official Home Assistant team, the Connect ZBT-2 benefits from ongoing support and optimum compatibility with the Home Assistant ecosystem.

TECHNICAL SPECIFICATIONS

Supported protocols

• Zigbee 3.0 (backwards compatible with Zigbee 1.2 and 2.0)
• Thread 1.3
• Matter-over-Thread

Internal components

• Radio chip: Silicon Labs MG24 (Zigbee 3.0 & Thread)
• USB-serial bridge: ESP32-S3
• Frequency: 2.4 GHz

Regional compatibility

• All Zigbee and Thread regions
• Support for all 2.4 GHz channels

Software integrations

• ZHA (Zigbee Home Automation) - native Home Assistant integration
• Zigbee2MQTT - advanced solution for experienced users
• OpenThread Border Router (OTBR) - for Thread/Matter networks

Connectivity

• Interface: USB 2.0 / 3.0
• Cable supplied: 1.5 meters (4.9 feet)

Design and layout

• Compact, two-part housing (base + antenna)
• Removable without clips or glue
• Accessible connectors and pins
• Discreet design to blend in with decor

Box contents

• 1× ZBT-2 Home Assistant Connect adapter
• 1× Optimized detachable antenna
• 1× USB base
• 1× 1.5 m USB cable (USB 2.0/3.0)
• 1× Quick Start Guide

System features

• Open-source and unlocked
• OTA (Over-the-Air) updates supported
• Compatible with all major brands

System requirements

• Home Assistant (Core, Supervised, or OS)
• Available USB port
• Internet connection for initial configuration and updates