Raymarine Wireless Mast Rotation Transmitter [T221] Marine Hardware | Vents Replaceable fuses to protect bus

Replaceable fuses to protect bus and connected components from excessive current

This omni-directional 9dB gain cellular antenna improves signals on cellular (810-900 MHz) and PCS (1800-1990 MHz) bands

Hand pockets with brushed lining

captive acetal ball bearings for side thrust loads

Raymarine Wireless Mast Rotation Transmitter [T221] Marine Hardware | Vents Replaceable fuses to protect busThis 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)