what is a transducer module
LowranceÂ® StructureScanÂ® 3D Transducer and Module. Lowrance's StructureScan 3D Transducer and Module deliver a 180Â° detailed 3-D view of fish, structure and bottom contour, giving you a clear picture of what's under your boat. True-to-life high-resolution scans are displayed on Lowrance HDS Gen3 fishfinders and chartplotters (not included).