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Home Assistant Connect ZBT-2

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Original price £52.99 - Original price £52.99
Original price
£52.99
£52.99 - £52.99
Current price £52.99
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Out of stock

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
  • Silicon Labs MG24 high-performance SoC
  • 4× faster performance than ZBT-1 (460800 baud)
  • Supports Zigbee 3.0 or Thread (single protocol mode)
  • 4.16 dBi high-gain omnidirectional antenna
  • Plug-and-play with automatic firmware updates
  • Supports ZHA, Zigbee2MQTT and Matter.js Thread
  • USB-C powered (5V DC, 500 mA)
  • ESP32-S3 USB bridge
  • Open hardware design
  • Indoor use
Use Cases

Dedicated Zigbee Network for Home Assistant

Deploy as a stable Zigbee 3.0 coordinator for sensors, switches, and lighting using ZHA or Zigbee2MQTT.

Thread Border Router Integration

Configure in Thread mode for Matter-over-Thread device integration within Home Assistant.

Network Upgrade from ZBT-1

Migrate existing Zigbee networks to improved baud rate and wireless performance.

Home Assistant Green or Yellow Expansion

Use as the recommended USB radio for official Home Assistant hardware deployments.

What’s Included
  • Home Assistant Connect ZBT-2 base unit x1
  • High-gain antenna x1
  • USB-C cable 1.5 m x1
  • Quickstart guide x1
  • Warranty and safety documentation x1
Technical Specifications
General
Model: Home Assistant Connect ZBT-2

SoCs: Silicon Labs MG24, ESP32-S3 USB bridge

Use: Indoor only
Power
Input: USB-C, 5V DC, 500 mA
Supported Protocols
Zigbee: Zigbee 3.0

Thread: Supported (single protocol mode only)
Wireless Performance
Frequency Range: 2400–2483.5 MHz

Peak Gain: 4.16 dBi

Transmit Power: 10 dBm (EU) / 8 dBm (ROW)

Radiation Pattern: Omnidirectional
Environmental
Operating Temperature: 0°C to 65°C (antenna –40°C to +85°C)

Humidity: Non-condensing
Physical
Device Dimensions: 83 × 83 × 179 mm

Device Weight: 157 g

Box Dimensions: 227 × 168 × 42 mm

Box Weight: 350 g

Material: Polycarbonate (white / semi-transparent)
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