Raymarine Wireless Mast Rotation Transmitter [T221] Winterizing Box Dimensions: 3"H x 6"W

Box Dimensions: 3"H x 6"W x 9"L WT: 1 lbs

Diameter (Inches): 13

Keel keeps weight tracking accurately and prevents cable twisting

Although it is factory set to 120°F

Combined AC/DC panels require a AC Insulating Cover to meet ABYC Standards

Raymarine Wireless Mast Rotation Transmitter [T221] Winterizing Box Dimensions: 3"H x 6"WThis 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)