Raymarine Tacktick T221 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 Raymarine T121 Wireless Mast Rotation Transmitter Features: 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
Specifications: 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 inch dia. x 2 inch H
A location less than 5 ft. above the deck is advised; solar panels on top of unit must be unobstructed