T121 Wireless Hull Transmitter (T121) by Raymarine . For multihulls, advanced Micronet technology allows your displays to use wind direction to automatically determine which hull transducer supplies the information you need. No switches required. You need two hull transmitters for this configuration. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and deliver great quality at an affordable cost.

Features

• Only 95g (0.21 lbs)
• Heel and pitch angle 30 degrees
• Calibration at the displays
• Engineered to high standards
• High-grade design delivers extended lifespan
• Made with premium materials

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. You need two hull transmitters for this configuration.