ZBT stands for Zigbee and Thread: You can use it with either Zigbee or Thread. Running Zigbee and Thread at the same time on one adapter is not supported. Edit this article on GitHub Related articles Should I remove the padding inside the antenna of Home Assistant Connect ZBT-2? Is Zigbee2MQTT supported by Home Assistant Connect ZBT-2? Installing Home Assistant Connect ZBT-2 Does Home Assistant Connect ZBT-2 support Z-Wave or Bluetooth? Finding an installation location for the Home Assistant Connect ZBT-2