User's Guide

Multi-point monitoring on shore
Archipelago
Environment
Sea World Diving
Company released
GPT-T1 from
underwater on
September 11,
2020, to actually
verify the superior
performance of
the GPT system.
GPT-T1 is the lightest
transmitter on the
market, only 65 grams
including battery, can
be easily hung on a
buoyancy bag and
released from
underwater
GPT-A1, A2 can be
released from
underwater with an
in-house designed
buoyancy ring.