this post was submitted on 06 Apr 2026
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Nabu Casa's own documentation says the ZBT-2 does NOT support multi-protocols. The zbt-2 does work with Matter, but then won't support Zigbee.
https://www.home-assistant.io/connect/zbt-2
"Connect ZBT-2 cannot do both Zigbee and Thread simultaneously. This technology is often called “multiprotocol” or “MultiPAN”. Though it is theoretically possible with the hardware within Connect ZBT-2, in our experience, this functionality doesn’t work well, and we don’t plan to implement it. We previously thoroughly tested multiprotocol with our Connect ZBT-1 adapter and found its operation to be inconsistent, often causing device stability issues. We do not believe multiprotocol is suitable for operation in the home, and strongly recommend dedicating a device to each protocol."
I didn't mean to imply it does. I use the built-in ZigBee radio on the HA Yellow. The ZBT-2 is only doing Matter/Thread.
Fair enough. I just didn't want others who read your post to be misinformed.