Shearwater Tern TX Air Integrated Dive Computer with Swift Transmitter

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This is the Shearwater Tern TX Air Integrated Scuba Diving Computer with Swift Transmitter

  • Multiple Diving Modes: Air, Nitrox, 3 Gas Nitrox, Gauge, and Freediving
  • Full Colour, High Resolution, AMOLED 1.3" display with deep blacks, and vivid colour display
  • Modern, Sleek Profile Robust design with toughened glass, modern bezel design and USB-C wireless charging
  • Air Integrated
  • Connects up to 4 Transmitters (Optional)
  • 3 axis, tilt compensated, digital compass
  • Bluetooth® wireless technology
  • Screen Resolution 360 x 360
  • Display Type Full Colour AMOLED
  • Screen Brightness Minimum 300 nits, Typical at 350 nits
  • Display Size 3.30cm / 1.3"
  • Toughened Glass Window Yes
  • Battery Type Rechargeable Li-ion Battery
  • Factory Replaceable
  • Battery Life up to 20 Hours (Medium Brightness) up to 6 months (Standby)
  • Wireless Charging Station Yes
  • Number of Gases 3 OC
  • Depth Rating 120m / 394ft
  • Dive Log Capacity (10 second rate) 500 Hours
  • Size (Dive Computer) Diameter - 50mm
  • Thickness - 16mm
  • Weight (Dive Computer) 100g 
The Shearwater Tern TX models redefine diving convenience and versatility for sport divers. Incorporating a compact design with advanced features, these dive computers, especially the Tern TX with its transmitter-enabled capability, provide unparalleled functionality. Their enhanced visibility, user-friendly interface, and compatibility with multiple diving modes, make them an essential tool for divers seeking reliability and ease of use.

The Tern TX features a 1.3” AMOLED screen with clear visibility in various lighting conditions. The watch-style design and high-resolution display ensure easy access to vital diving data.

The Tern TX stands out with its ability to connect to up to four Swift transmitters and includes a digital compass. Both models support Air, Nitrox, 3 Gas Nitrox, Gauge, and Freedive modes.

Designed and Built in Canada and depth-rated to 120 meters, these computers meet EN standards for dive compliance. They come with Shearwater’s new Remora™ quick connect bands and webbing straps, offering easy customization with various strap lengths and colors.


  • Smart AI Technology:
  • Advanced collision avoidance system ensures reliability using multiple transmitters
  • Randomized transmit interval allows for reliable simultaneous use of multiple SWIFT transmitters
  • Up to 300 dive hours
  • Compatible with all air integrated Shearwater dive computers
  • LED status indicator
  • Easy 'no tools' installation and removal on divers first stage
  • Compatible with all existing air integrated Shearwater dive computers and many other computers already on the market

The Swift allows divers to carry multiple transmitters reliably. The collision avoidance protocol allows for multiple transmitters to be used at the same time with a lower likelihood of dropped communications. The Swift is designed and built in Canada for demanding divers of all proficiency levels.


Check out the whole Tern Collection

Warning - California Prop 65: Some products on this site can expose you to chemicals including Chloroprene, which is known to the state of California to cause cancer and birth defects or reproductive harm. For more information, go to

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