Emergency Position Indicating Radio Beacons (EPIRBs), are designed to save your life if you get into trouble by alerting rescue authorities and indicating your location. EPIRB types are described in detail at the following links:
SARSAT - Search And Rescue Satellite-Aided Tracking Emergency Beacon On-Line Registration
Read the Equipped to Survive Foundation's 406 MHz GPS Enabled Emergency Beacon Evaluation for critical information |