This is an excerpt from my book Emergency Preparedness and Off-Grid Communication. One option for communication when internet and cellular services are not available is a device that connects to a satellite network. A personal locator beacon (PLB) is a satellite-linked device that, when activated, sends a distress signal to nearby search and rescue units. Typically used for mountaineering, they can be used in other emergencies, but caution should be exercised. PLBs should only be...
Published on December 22, 2023 04:00