Raymarine Wireless Mast Rotation Transmitter [T221] Boat Outfitting | Security Systems The tinned copper conductors provide

The tinned copper conductors provide resistance to corrosion

Peak Beam Intensity: 196

One or two bank charging (three bank optional)

Standard 1" - 14 thread

Their Propellers have 40% more exhaust flow Area versus competive product

Raymarine Wireless Mast Rotation Transmitter [T221] Boat Outfitting | Security Systems The tinned copper conductors provideThis 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)