when we using a different BT capability app, "Fast Bluetooth 5.0 Checker" it appears that the M11 supports all of the necessary BT 5.0 features.
- LE 2M PHY (This one is very clear, because BT 4.0, 4.1, & 4.2 does not support this)
- LE Coded PHY
- LE Extended Advertising
- LE Periodic Advertising