Lowrance NEP-1 Navico Expansion Port

Is my unit compatible?
The EtherNet sharing facility is designed to work with the Lowrance 2007 and newer colour screen units. So that's GlobalMap chartplotters, LCX & LMS Combo sounder/chartplotters & X sounders (except X67c)
If you're not sure, look at the back of your unit and see if it has one of these "ENET" sockets