___________________ are small, BLE-based sensors that attract attention to themselves.

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___________________ are small, BLE-based sensors that attract attention to themselves. (*) Signals (*) Towers (*) Beacons (*) Bonfires

This is a companion discussion topic for the original entry at https://english.best/questions/24725,___-are-small-ble-based-sensors-that-attract-attention-to-themselves/