Crisis Communication: emergency cellular first to fail

 How to Communicate During a Disaster

Should you use your cell phone during a disaster?However, you shouldn’t solely rely on your phone during a disaster. Since your cell phone may not be a viable option in an emergency, you need to have backup way to communicate. For example, amateur radio service, multi-use radio service, or walkie-talkies.

Crisis Communication:   emergency cellular first to fail 

Crisis Communication: What To Do When Cell Phones Fail - Off The Grid News

How to Communicate During a Disaster