SDD-110 Seawater Depth Indicator – Display Only
The SDD-110 operates on working frequency of 120kHz, so it won’t interfere with other onboard echosounders. This compact unit – measuring only 4.3 X 4.3″ X 3.5″ – uses Digital Signal Processing (DSP) technology to deliver accurate digital depth readings from 1.5′ to 1