Raymarine Wireless Mast Rotation Transmitter [T221] Socks More mobility - maintains the

More mobility - maintains the best helming position for optimum trim and visibility

Dimensionally stable quiet running Delrin rotors

Cheek plates and sheaves: Aluminium alloy

3% Anti Static Single Jersey Knit 230 g/m²

Raymarine Wireless Mast Rotation Transmitter [T221] Socks More mobility - maintains theThis 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)