The drone problem has been solved in the Union State: a pocket "Zvonok" will alert you to the approach of multicopters
9 янв. 2025 г., 16:48:37
The drone problem has been solved in the Union State: a pocket "Zvonok" will alert you to the approach of multicopters

The audible alert will indicate the range of the multicopter

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Maksim Borisov