Garmin Descent T2 Transmitter – Air Monitoring & Diver Messaging in One

Take your dive safety and communication to the next level with the Garmin Descent T2. Powered by enhanced SubWave™ sonar technology, the T2 isn't just about tracking tank pressure — it also adds diver-to-diver messaging when paired with the Garmin Descent Mk3i dive computer.

Whether you're diving with a buddy or leading a group, you can now monitor up to 8 tanks at once and communicate with your team underwater — all from your wrist.

Smart Tank Monitoring

• Track tank pressure, air time remaining, air consumption rate, and remaining battery — all in real time

• Monitor your buddies' or students' tanks within a 10m range

• View up to 8 cylinders at once on a compatible dive computer

Underwater Messaging Made Easy

• When paired with a Garmin Descent Mk3i, send and receive pre-set messages with other T2-equipped divers

• Message range: up to 30 metres

• Great for team dives, group training, or underwater coordination

Simple Pairing, Seamless Setup

• Uses wireless area networking for quick, hassle-free setup

• Easily assign buddy names to individual transmitters for clear tracking

• Rugged, reliable, and designed to perform in tough dive conditions

Built to Dive Deep

• Dive-rated to 20 ATM / 200 metres

• Designed for both recreational and professional divers