![Raymarine Wireless Mast Rotation Transmitter [T221]](http://boatersemporium.com/cdn/shop/products/38317XL.jpg?v=1574500934&width=1000)
![Raymarine Wireless Mast Rotation Transmitter [T221]](http://boatersemporium.com/cdn/shop/products/38317XL_1024x.jpg?v=1574500934)
Description
This unique transmitter compensates for the movement of a rotating mast to ensure that you get the most accurate wind readings at all times. Operating as a wireless device on a Micronet network the Mast Rotation Transmitter compares compass information from the boat with its own information and corrects the wind angle coming from a standard wind transmitter at the mast head.
Features:
- No wires
- Solar powered
- Light weight
Quick Guide (pdf)
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