Raymarine T121 Hull Transmitter [T121] Anchoring & Docking The i40 Bidata's depth capabilities

The i40 Bidata's depth capabilities include easy-to-read displays of current speed

Has same hole pattern as some older version transducers

and a beamwidth of 45 to 12 degrees

Provides accurate values for TWS

PiranhaMAX 30PT

Raymarine T121 Hull Transmitter [T121] Anchoring & Docking The i40 Bidata's depth capabilitiesRaymarine 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. Quick Guide (pdf) Owner's Manual (pdf)