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  2. Wireless Emergency Alerts - Wikipedia

    en.wikipedia.org/wiki/Wireless_Emergency_Alerts

    An example of a Wireless Emergency Alert on an Android smartphone, indicating a Tornado Warning in the covered area. Wireless Emergency Alerts (WEA), formerly known as the Commercial Mobile Alert System (CMAS) and, prior to that, as the Personal Localized Alerting Network (PLAN), [1] is an alerting network in the United States designed to disseminate emergency alerts to cell phones using Cell ...

  3. Here's why FEMA sent an emergency alert to your ... - AOL

    www.aol.com/news/heres-why-cellphone-emergency...

    Cellphones, TVs and radios across the U.S. simultaneously blared out an emergency alert today. Here's what to know and why it happened.

  4. Did your cell phone make a screeching noise today? Here’s why

    www.aol.com/america-national-emergency-alert...

    All cell phones should have received an alert and an accompanying text message that reads: “THIS IS A TEST of the National Wireless Emergency Alert System. No action is needed.”

  5. Emergency communication system - Wikipedia

    en.wikipedia.org/wiki/Emergency_Communication_System

    Mass automated dialing services such as Cell Broadcast, Reverse 911, as well as common siren systems that are used to alert for tornadoes, tsunamis, air-raid, and other such incidents, are examples of emergency notification systems. Emergency communication systems often provide or integrate those same notification services but will also include ...

  6. Reverse 1-1-2 - Wikipedia

    en.wikipedia.org/wiki/Reverse_1-1-2

    Reverse 1-1-2 allows authorities to rapidly warn those in danger, directly through their mobile phones. The system uses preferably Cell Broadcast technology to deliver predefined emergency messages. Examples of successful nationwide reverse-112 implementations can be found in Japan, Taiwan, South Korea, United States, Canada, United Arab ...

  7. Emergency test alert is set to ping cell phones nationwide ...

    www.aol.com/news/emergency-test-alert-set-ping...

    An emergency test alert will go out to cell phones ... the test alert at 11:20 a.m. Cell phone users can activate test alerts and customize their alert settings in the system preferences of their ...

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