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

Combines battery banks during charging and isolates under discharge

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

25" x 21 Pitch

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)