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Lowrance Ethernet Extension Cable - this cable lets you connect Lowrance HDS series units. You can connect both new and older HDS units, as well as, for example, LCX series units. With the Ethernet cable you can share, for example, the 2D sonar image, the side-scan image and the chart. It is enough to have the chart on one display, and it is shown on the chart page of all units connected via Ethernet. If you create a waypoint on one chart, it is transferred to every display. You can view the image of one transducer on every display, and if you have several transducers, you can easily switch between sonar views from the menu.
The Ethernet cable is also used to connect a radar to HDS series units. You can recognise the Ethernet connection by the yellow connector on the back of the unit. Suitable for all Lowrance HDS installations and previous-generation Lowrance GlobalMap, LCX, LMS or X-Series units with yellow connectors.
Several cable lengths are available.
Product text updated 26.9.2026.
