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Garmin Wearables

Garmin Descent™ T1 Transmitter

Garmin Descent™ T1 Transmitter

Regular price $399.99
Regular price Sale price $399.99
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  • SubWave™ Sonar Technology: Monitors up to 5 tanks simultaneously for real-time air data.
  • Tank Pressure & Air Monitoring: Tracks air time remaining, air consumption rate, and battery status.
  • Multiple Diver Pairing: Connect up to 5 transmitters to a compatible Descent dive computer within 10 meters.
  • Deep Water-Rated: Built for extreme diving with an 11 ATM (110 meters) water rating.
  • Extended Battery Life: Up to 100 hours of operation using a 3V CR123A lithium battery.
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Product Description

Garmin Descent™ T1 Transmitter

DESCRIPTION

The Garmin Descent™ T1 Transmitter is a high-performance wireless tank monitoring system designed for recreational, technical, and group diving. When paired with a Garmin Descent dive computer, it delivers real-time tank pressure, air time remaining, air consumption rate, and battery status. With SubWave™ sonar technology, divers can track up to 5 tanks at once, making it ideal for multi-tank dives and buddy tracking.

The Descent T1 is water-rated to 11 ATM (110 meters) and built to withstand extreme temperature conditions. The wireless pairing system provides hassle-free tank identification and ensures divers stay informed underwater.

Track your every breath when you pair the Descent T1 transmitter with a Descent dive computer. Monitor up to 5 tanks via SubWave sonar technology so you can dive with multiple tanks or see your buddy’s air levels1.

Descent T1 enables you to monitor tank pressure, remaining air time and air consumption rate for multiple types of diving.

Key Features

Advanced SubWave™ Sonar Technology

  • Monitors up to 5 tanks for real-time tracking.
  • Wireless transmission range up to 10 meters (33 feet) for tank data.
  • Compatible with Garmin Descent dive computers.

Smart Tank Monitoring

  • Displays tank pressure, remaining air time, air consumption rate, and battery life.
  • Alerts divers when tank pressure is low.
  • Ideal for both single and multi-tank dives.

Designed for Deep Dives

  • Water-rated to 11 ATM (110 meters) for deep-sea exploration.
  • Durable construction withstands extreme underwater conditions.
  • High-pressure tolerance up to 300 bar (4351 psi).

Reliable Wireless Connectivity

  • ANT+ wireless transmission ensures secure and interference-free connection.
  • 10-meter surface transmission range for above-water tank updates.
  • Easy pairing with Descent dive computers for quick setup.

WATER-RATED

Descent T1 is built to withstand the elements and water-rated to 11 ATM.

KNOW YOUR TANK

Get tank pressure, air time remaining, air consumption rate and battery remaining sent directly to paired compatible Descent dive computer.

MULTIPLE DIVERS

Pair up to 5 transmitters to each compatible dive computer within a range of up to 10 meters.

Detailed Specifications

Feature Specification
Physical Dimensions 3.33” x 1.44” x 1.44” (84.50 x 36.52 x 36.52 mm)
Battery Type 3V CR123A lithium
Battery Life Up to 100 hours
Thread Type 7/16" (20 UNF)
Operating Temperature -20°C to 60°C (-4°F to 140°F)
Underwater Operating Temp. 0°C to 40°C (32°F to 104°F)
Storage Temperature -30°C to 70°C (-22°F to 158°F)
Wireless Frequency 2.4 GHz @ 0 dBm
Tank Pressure Transmission Range Up to 10 meters (33 feet)
Water Rating Dive 110 meters (11 ATM)
Pressure Rating 300 bar (4351 psi)
Inspection Interval Inspect before each dive; replace as needed

In Package

  • Garmin Descent™ T1 Transmitter
  • Documentation

Manuals & Documents

General Warranty Info:

  • Ripping It Outdoors works closely with our manufacturers to supply and support your products warranty needs as best as possible!
  • The majority of products come with a manufacturer represented warranty against manufacturing defects for at least a 12 month period after the date of sale. 
  • Expendable components and "wear parts" including but not limited to blades, knives, teeth, oil, chain sprockets, skid shoes, knife mounting discs, and similar components are usually excluded from manufacturer warranties.
  • Please reach out to us for any specific warranty information needed about products and parts you can’t find!

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Shipping

General Shipping Info:

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  • Negotiate shipping rates if you think we can do better please reach out. Keep in mind some shipping rates also include assembly & configuration as well!