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Can the Bivy Stick be used as a PLB and can the SOS work without a subscription?

  • PLB’s are used only in the case of an emergency. They send out an emergency beacon message with your location and then the rescue party comes for you. They are only 1-way. You can’t communicate at all with them. They’re just for emergencies. But they also have no subscription plan after you buy the device. Bivy Stick transmits at about 1.6 GHz. PLBs are 406 MHz. PLB does not use Iridium. They use completely different satellites and dispatch and rescue systems.
  • A data plan is required to access the satellite network and for the SOS function to work on a bivy stick.