idle
Tap Start Scan and allow Bluetooth.

Nearby Bell devices appear here, strongest signal at the top. Walk toward a sensor and watch its bars climb — tap it to open the full-screen Find meter, then drop it on the map.

If nothing appears, check the scan light up top and that this is Chrome on Android with Experimental Web Platform features enabled.
No device selected.
Go to Scan and tap a device to track it here.
Map — tap a device in Scan first
floor plan
pinch / drag to move · tap to drop the active device
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Which device is this?

serial —
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