The Furuno 165T-50/200-TM260 Transom Mount Transducer is a top - notch choice. It operates at 165 kHz for DFF3D. With 1kW power, it has 50/200 kHz frequencies and 20/6 ° beam angles, similar to an Airmar B164. Comes with 12M cables: 10 - pin for sounder, 7 - pin and a pigtail for DFF3D. Ideal for TZtouch2, TZtouch/DFF1, and DFF3D installations. It also features a built - in motion sensor and temp sensor.

Using the Furuno 165T - 50/200 - TM260 Transom Mount Transducer is easy. First, connect the 12M cables to the right places - the 10 - pin to the sounder and the 7 - pin and pigtail to the DFF3D. It's recommended for TZtouch2, TZtouch/DFF1, and DFF3D setups, so make sure your system matches. When in use, the built - in motion and temp sensors will work automatically to give you useful data. For maintenance, keep it clean and dry. Avoid hitting it against hard objects. If you notice any issues with the cables or sensors, have them checked by a professional.