Whisper pair https://github.com/SpectrixDev/DIY_WhisperPair

BLE radar https://f-droid.org/packages/f.cking.software

Airguard https://play.google.com/store/apps/details?id=de.seemoo.at_tracking_detection.release

Some relevant apps for ya. Have fun, be safe.

The thing is, every google and amazon device and smart tv and probably your Windows PC is doing this very same bluetooth data collection, all the time, and has been for years.

it’s scary