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Raymarine Wireless Mast Rotation Transmitter

  • Corrects Wind Angle Readings on Racing Sailboats with Rotating Masts
  • Functions: Wind Angle, Solar Powered with 300 Hours Autonomy
  • Corrects Wind Angle Measurements Coming from Masthead Wind Transmitter
  • Item #: 
    Raymarine Wireless
    Model #: 


    Shipping Weight: 
    0.90 Lbs.
    Our Price:
    Status:  null Call to confirm

    Quantity : 
    Refit your Storm-Damaged Electronics during the Raymarine Hurricane Refit Program!

    Raymarine T121 Wireless Mast Rotation Transmitter


    • Functions include:
      • Wind Angle
    • Unique wireless transmitter compensates for movement of a rotating mast to ensure accurate wind angle readings on racing sailboats
    • Device compares compass information from the boat with its own information (via wireless NMEA interface) and corrects the wind angle coming from a Raymarine standard or vertical wind transmitter at the mast head
    • Easily installed on the mast* and simply calibrated from a Raymarine digital, dual digital or remote display in the system (but not the analogue wind display)
    • 2-Year limited warranty (upgradable to 3 years upon product registration within 90 days of purchase)
    • In the box:
      • T221 Mast Rotation Transmitter
      • Mast bracket


    • Raymarine Model No. T221
    • Power: Solar powered / integral battery with 300 hours autonomy
    • Standard Output: NMEA 0183
    • Water Protection: IPX6 (protected against high-pressure water stream from any angle)
    • Dimensions: 3" dia. x 2" H

    *A location less than 5 ft. above the deck is advised; solar panels on top of unit must be unobstructed

    As a result of the acquisition of the TackTick brand of wireless instruments, Raymarine has officially announced their transition and reintroduction as Raymarine Wireless Instruments.

    Though the brand name has changed, the devices are otherwise identical to their TackTick counterparts in Form, Fit, Function and Appearance. Like every other Raymarine product, Raymarine Wireless Instruments are backed by their industry leading 2 year standard warranty.


    Raymarine Wireless T232 Dual Instrument Mast Bracket
    Item #: 258320
  • Mount (2) Race Master or (2) Maxi / Dual Maxi Displays
  • Black Powder Coated, Corrosion Free
  • Allows Display of Heading, Speed, Depth and Head / Lift
  •  Include
    Model #:

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