Check out the amazing work being done by Krassimir Kossev with Tuya devices.
Not officially supported by Hubitat. As far as the PIR sensors are concerned they are very reliable and fast. The only thing about the small round one is the brightness of the motion LED. Small irritant. The radar devices you will have to read the users comments.
I'm using the Aqara FP1 sensor.
It is fantastic. Works great and is very stable but requires a lot of patience and possibly several attempts to join.
