Communications · 1 hour to choose and register · Intermediate
PLBs, EPIRBs and Satellite Messengers: What Each Does
Which distress device reaches rescue coordinators, and which one only reaches a subscription service.
This is for educational purposes only. Not professional medical, electrical, or safety advice.
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Warning
Never activate a beacon to test it. Register the device before you rely on it, and remember a phone with no signal is not a backup for any of these.
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Sources & further reading
Free download
The 72-Hour Grid-Down Checklist
One printable page: water, food, power, communication, first aid, security and documents.