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An emergency alert test will sound Oct. 4 on all U.S. cellphones, TVs and radios. @ 2:20pm

going to remove the batteries from my phones on Thursday...


How long is the emergency alert test?​

Cell towers will broadcast the emergency alert test for 30 minutes, starting at approximately 2:20 p.m. EDT on Wednesday. During that half-hour, wireless phones that are turned on and compatible with the alerts should receive a test message, as long as they are located within a certain range of an active cell tower and their wireless provider participates in the national alert system. Some older devices may not be compatible.
 
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