Home Assistant Connect ZBT-1: Dual-Protocol USB Adapter for Zigbee, Thread & Matter

The Home Assistant Connect ZBT-1 is a compact yet powerful dual-protocol USB adapter designed to elevate your smart home ecosystem with seamless Zigbee and Thread connectivity. Built around the Silicon Labs EFR32MG21 chipset, this adapter is fully compatible with the Matter standard, ensuring future-proof interoperability across a wide range of smart devicesfrom lighting and sensors to thermostats and security systems.

Operating on the 2.4GHz frequency band, the ZBT-1 delivers robust wireless performance with +20dBm TX power, enabling extended range, stable connections, and low-latency communication even in complex mesh networks. Whether you’re integrating with Home Assistant, OpenHAB, Domoticz, or other automation platforms, this adapter provides reliable backbone support for your connected environment.

Features

Dual-Protocol Support: Zigbee + Thread (Matter-Ready) The ZBT-1 ensures broad compatibility with both existing Zigbee devices and next-gen Thread-based Matter ecosystems, making your smart home setup truly future-proof. Whether you’re automating lights, sensors, or climate control, this adapter bridges legacy and modern protocols with ease.

High TX Power & Extended Mesh Coverage Powered by a +20dBm transmission output and a precision-engineered PCB antenna, the ZBT-1 delivers strong, stable wireless performance across large homes and dense environments. Ideal for mesh networks, it ensures low-latency communication and reliable device pairing even in challenging layouts.

Seamless Home Assistant Integration Designed for plug-and-play recognition on Raspberry Pi and Linux-based systems, the ZBT-1 requires zero configuration. It supports over-the-wire (OTW) firmware updates via USB, ensuring long-term stability and compatibility with evolving smart home platforms like Home Assistant, Zigbee2MQTT, and Thread Border Routers.

USB Extension Cable Included To combat 2.4GHz interference from nearby USB 3.0 ports, the ZBT-1 includes a USB 2.0 extension cablereducing pairing failures and improving connection stability. This thoughtful addition ensures smoother deployment in complex setups.

Applications

Why Choose the ZBT-1 USB Adapter for Your Smart Home?

Expand Zigbee Coverage in Home Assistant Ecosystems Unlock the full potential of your Home Assistant setup by extending Zigbee network coverage with the ZBT-1. Whether you’re managing lights, sensors, or climate devices, this adapter ensures stable, low-latency communication across your entire smart homeideal for large spaces or mesh-heavy environments.

Future-Proof with Thread + Matter Integration Get ready for the next generation of smart home interoperability. The ZBT-1 supports Thread protocol and is fully Matter-compatible, enabling seamless integration of upcoming Thread-based Matter devices. Its the perfect bridge between todays Zigbee devices and tomorrows unified smart home standards.

Boost Performance with Long-Range, Interference-Free Wireless With +20dBm transmission power and a finely tuned PCB antenna, the ZBT-1 delivers robust 2.4GHz wireless performance. It minimizes interference from USB 3.0 ports (thanks to the included USB 2.0 extension cable) and ensures long-range, reliable connectivityeven in dense or signal-challenged environments.

Specifications

• Chipset: Silicon Labs EFR32MG21

• Frequency: 2.4GHz

• TX Power: Up to +20dBm

• Protocols: Zigbee, Thread (Matter-compatible)

• Antenna: Integrated PCB

• USB:

  • USB 2.0 Full-Speed

  • Silicon Labs CP2102N USB-to-UART bridge

• Power Supply: 5V DC, up to 150mA

• Form Factor:

  • Width: 18mm

  • Height: 4.5mm

  • Depth: 38.5mm

  • Weight: 4g

Shipping List

• 1 Home Assistant Connect ZBT-1 USB Adapter

• 1 USB Extension Cable