Lowrance NEP-2 Network Expansion Port [000-10029-001]NEP 2 Network Expansion Port Lowrance NEP 2 Network Expansion Port 2 plug and play hub for high speed data sharing of multiple HDS, LCX,and LMS products with ethernet modules, like the LWX 1 SIRIUS Satellite Radar and Radio module and the Broadband Sounder module across the onboard network. Lowrance NEP 2 Waterproof expansion ports resist corrosive marine environments. Unused expansion ports capped for future expansion.