Cell phones do not meet the criteria to be distress beacon (PLB).
They do not link directly into the Cospas-Sarsat system.
They do not transmit 406 & VHF.
They do not reserve battery for 24 hours minimum continuous operation.
An EPIRB in addition to the above must float and run for minimum 48 hours.
An ELT in addition to the above must have a ‘G’ switch.
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