Like Garmin (Iridium based texts back and forth) or Zoleo. These are physical units that may offer texts or just a simple "sos" button.
Prohibitively expensive, and also not available to 90% of the planet's commercial fishermen.
For them, an iPhone can be an entire year's profit.
The people in TFA aren't going to be featured on The Deadliest Crab.
Like Garmin (Iridium based texts back and forth) or Zoleo. These are physical units that may offer texts or just a simple "sos" button.
Prohibitively expensive, and also not available to 90% of the planet's commercial fishermen.
For them, an iPhone can be an entire year's profit.
The people in TFA aren't going to be featured on The Deadliest Crab.