Home Assistant Connect ZBT-2
The Home Assistant Connect ZBT-2 is the official Zigbee or Thread USB adapter from Nabu Casa, designed for high-performance smart home networking with Home Assistant. Powered by the Silicon Labs MG24 chipset and paired with a 4.16 dBi high-gain omnidirectional antenna, it delivers fast, stable, and low-latency wireless communication.
The ZBT-2 operates in either Zigbee 3.0 or Thread mode (one protocol per device), prioritising reliability and network stability. It supports automatic detection and firmware updates in Home Assistant, making it the recommended adapter for Home Assistant Green, Home Assistant Yellow, Raspberry Pi, and Home Assistant OS installations.
Key Features
Use Cases
What’s Included
Technical Specifications
General
SoCs: Silicon Labs MG24, ESP32-S3 USB bridge
Use: Indoor only
Power
Supported Protocols
Thread: Supported (single protocol mode only)
Wireless Performance
Peak Gain: 4.16 dBi
Transmit Power: 10 dBm (EU) / 8 dBm (ROW)
Radiation Pattern: Omnidirectional
Environmental
Humidity: Non-condensing
Physical
Device Weight: 157 g
Box Dimensions: 227 × 168 × 42 mm
Box Weight: 350 g
Material: Polycarbonate (white / semi-transparent)