Extend Alert Beacon functionality with highly intelligible voice output of custom message text through advanced speakers for indoor notification. In an emergency situation, you need clear, calm ...

More than 200 million US mobile phones have received a test "Presidential Alert" notification. The trial is designed to check that a previously unused emergency communications system works properly.

Today was the day for the US government’s big emergency alert drill, which sent a test message to every TV, radio and cell phone in the nation. Starting at approximately 2:20 pm ET on Wednesday ...