Text-based alerts of significant, imminent danger will be able to be sent to most mobile-phone users in a hazardous location in the U.S. beginning Saturday, when the new commercial mobile alert system (CMAS) is scheduled to become operational.
Text-based alerts of significant, imminent danger will be able to be sent to most mobile-phone users in a hazardous location in the U.S. beginning Saturday, when the new commercial mobile alert system (CMAS) is scheduled to become operational.
