Shelly BLU Door/Window Sensor: Any experience?

I think about adding Shelly BLU Door/Window sensors to my Pi4 based HA.
Can anybody confirm that these sensors work as promised?
I have seen one comment that open/close status is not reflected properly in HA when the door is closing too fast after opening it.
My sensor would talk directly to the Pi without gateway.

I have that issue too and I’m aware of the thread you’re referring to.
That thread mentions updating the sensor firmware and using an external USB BT adapter. I have tried both the internal and an external BT adapter and I am running the latest sensor firmware as of 02/20/2024 and I still have that issue. If the door is open for 15 seconds or greater, it will report the close. If the door is open for less than 10 seconds it will not report the close. Somewhere in between is kind of a gray area.

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Yeah, I have issues with mine not reporting when it’s closes too. Also seems to be an issue when it opens and closes quickly.

I think mine connects via BTHome directly to the HA green. But I am not smart