Bronze CPT - 120 through - hole probe with CHIRP shoe - for axx8, eSxx8 and AXIOM DV monitors The CPT - 120 bronze through - hull is a specialized dual - channel CHIRP transducer that incorporates a conical beam for fish targeting and an ultra - wide, fan - shaped beam for photo - like DownVision sonar images. The through - hull also communicates depth and temperature data. Delivery with cable and a connector. Technical characteristics Facility through - hull Material bronze Max depth Down Vision: approx. 180 m / Fish finder: approx. 270 m (900 ft) Frequencies Downvision and CHIRP Sonar Beam width (W/H) 25°/60° Data depth and temperature Recommended shell materials fiberglass / wood Cable length 10m / 33ft mounting bracket 0 - 25° rotation Compatible with the following Raymarine plotters: - Raymarine a68 - Raymarine a78 - Raymarine a98 - Raymarine a128 - Raymarine eS78 - Raymarine eS98 - Raymarine eS128 - Raymarine AXIOM DV The transducer is not compatible with the Raymarine AXIOM Pro S series