Raymarine Wireless Mast Rotation Transmitter [T221] Marine Hardware | Vents 5" Wide molded poly block

5" Wide molded poly block with premium quality flared bristles

*Using with ST70 requires purchase of ST70 Wind Pod

25" x 21 Pitch

For boats faster than 50 mph the twin cable steering system T72FC is recommended

Raymarine Wireless Mast Rotation Transmitter [T221] Marine Hardware | Vents 5" Wide molded poly blockThis 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)