Kindly notice dear customer that it is only a wireless sonar transducer, and needs to work with the monitor– fish finder.
D refers to Depth, D+T refers to Depth and Temperature.
D transducer is for basic style–FFW1108-1,FFCW1108-1
D+T transducer is for the most fish finder, such as FFW718, FF518.
The following picture is for reference. If not sure about which sensor do you need, please consult with our customer service staff, thanks.
SPECIFICATION OF WIRELESS SONAR TRANSDUCER:
Sonar Beam Angle: 90 degrees
Sonar Frequency: 125Khz