Alert system without GPS

The IDF can now send out location-based alerts to phones in case of large-scale emergencies. The system is based on Cell Broadcast, which is a method of sending short messages to multiple phone users in a defined area where accurate GPS signals cannot be relied on.

https://www.timesofisrael.com/idf-can-now-send-location-based-alerts-to-phones-in-case-of-large-scale-attacks/

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