Garmin Descent T2 Dive Tank Transceiver
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Description
🤿 The Garmin Descent T2 Dive Tank Transceiver: Wireless tank pressure transceiver for air integration with compatible Garmin Descent dive computers (Mk2i, Mk3i, X50i) and the Descent S1 buoy. Monitor up to 8 tank pressures simultaneously and exchange diver-to-diver messages via SubWave sonar networking.
Key Features
- ✅ Genuine Garmin OEM: Direct-from-manufacturer product backed by Garmin's full warranty and software ecosystem
- ✅ Wireless Air Integration: Mounts on your first stage HP port and wirelessly broadcasts tank pressure to your dive computer
- ✅ Up to 8 Transceivers Per Computer: Monitor your tank + buddy tanks (instructors, group leads, technical divers with multiple bottles)
- ✅ SubWave Sonar Networking: Diver-to-diver messaging up to 30 meters via SubWave sonar, preset messages for safety/coordination
- ✅ Compatible Computers: Descent Mk2i, Descent Mk3i, Descent X50i (NOT compatible with Descent G2 or Descent X30)
- ✅ S1 Buoy Integration: Pair with a Descent S1 buoy for surface-to-diver messaging and position tracking
- ✅ Up to 100 Hours Battery: Replaceable CR123A lithium battery
- ✅ Standard 7/16" 20 UNF Thread: Fits standard scuba first stage HP ports
- ✅ Manufacturer Warranty: Backed by Garmin's standard 1-year limited warranty
Frequently Asked Questions
How does air integration work?
The T2 mounts on your scuba first stage HP port. It wirelessly transmits tank pressure to your paired dive computer using Garmin's SubWave sonar system, no air hose to your computer.
Which Descent computers are compatible?
Descent Mk2i, Descent Mk3i, and Descent X50i. NOT compatible with Descent G2 or Descent X30 (those models lack the SubWave sonar hardware).
Can I monitor multiple tanks?
Yes, up to 8 transceivers per computer. Common uses: technical divers with multiple bottles, dive instructors monitoring student tanks, divemasters monitoring guest tanks.
Do I need two HP ports on my first stage?
Most divers have one HP port used by their existing SPG (submersible pressure gauge). To run BOTH a T2 AND keep a backup SPG, you need a first stage with two HP ports OR an HP port splitter. Many divers run just the T2 without a backup SPG (controversial, adds dependence on battery-powered equipment for life-safety information).
SubWave messaging, what is it?
Diver-to-diver preset messages up to 30m via underwater sonar. Useful for safety coordination, group communication, technical diving handoffs.
Battery life?
Up to 100 hours on a replaceable CR123A lithium battery.
What's the warranty?
1-year limited manufacturer warranty from Garmin.
Financing & Warranty
1-year limited manufacturer warranty from Garmin. 0% financing available, no credit needed on qualifying purchases. Military and First Responders are encouraged to use credentials in the cart section before checking out.
Technical Specifications
| Model Number | 010-13308-00 |
| Product | Descent T2 Dive Tank Transceiver |
| Manufacturer | Garmin |
| Color | Black |
| Type | Wireless tank pressure transceiver |
| Compatible Computers | Descent Mk2i, Mk3i, X50i (NOT G2 or X30) |
| Range | Up to 30m diver-to-diver SubWave messaging |
| Battery | Up to 100 hours (replaceable CR123A) |
| Thread Type | 7/16" 20 UNF (standard scuba HP port) |
| Dimensions | 3.33" × 1.44" × 1.44" (84.5 × 36.5 × 36.5 mm) |
| Warranty | 1-year limited manufacturer |
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