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
