During the test, cell broadcast technology will also be used to send an informational message to residents’ mobile phones. To receive this, you must enable the receipt of "test alerts".
Emergency sirens will be activated nationwide for three minutes to verify the activation procedure and operation of the national early warning system.
A wave-like signal will sound for three minutes, consisting of a 5-second tone followed by a pause, and then a repeated 5-second tone and a p...