r Raymarine Y-Cable (25 & 7 pin to 25 pin) to attach a RealVision 3D (RV-xxx) Transducer & an Airmar (7 pin) transducer to AXIOM R Raymarine Y-Cable (25 & 7 pin to 25 pin) to attach a RealVision 3D (RV-xxx) Transducer & an Airmar (7 pin) transducer to AXIOM R