The Raymarine T121 Hull Transmitter is a hull transmitter for the Micronet instrument range. On multi-hulls, the displays can use wind direction to determine which hull transducer supplies the information, with two hull transmitters needed for that configuration.

Raymarine T121 Hull Transmitter

*For multi-hulls, advanced Micronet technology allows your displays to use wind direction to automatically determine which hull transducer supplies the information you need. No switches required.

*Note: you need two hull transmitters for this configuration.