Ultra-wideband (UWB) identifiers and privacy

How does GrapheneOS use ultra-wideband? What are the privacy concerns of UWB? The GOS Usage and FAQ guides don't mention ultra-wideband.

Are there any privacy protections implemented to avoid tracking? Other technologies like WiFi and Bluetooth use random identifiers for privacy.

Does airplane mode fully turn off ultra-wideband?

graphene667248 Does airplane mode fully turn off ultra-wideband?

I think the UWB toggle turns off UWB. I don't have such a device, but here's an old thread about it: https://discuss.grapheneos.org/d/10852-ultrawideband-chips-on-pro-models