A plug-and-play hub for high-speed data-sharing of StructureScan imaging system, solid-state BR24 Broadband Radar, &/or multiple HDS displays across the onboard network. Compatible w/all HDS models, plus 2007 & later LCX, LMS, X & GlobalMap models w/yellow 5-pin thernet connector. Waterproof expansion ports resist corrosive marine environments. Unused expansion ports capped for future expansion. 100-megabit switch for high-speed data transfer. Transmits sonar graphing display/control on compatible chartplotters when networked w/echosounder-equipped Lowrance displays & StructureScan imaging system option. Rugged & fully waterproof to IPX-7. Connectivity for up to 4 compatible head units or ethernet performance product options per expansion module. Links w/other Expansion Port-1 modules for added/future expansion.