HDS GPS units need a power cable run through the NMEA network. Globalmap units already transfer power through the GPS, so you only need the LGC-4000, not the Baja kit. This kit includes a 2' cable, a 15' cable, 120 Male Ohms Terminator, Red power cable, (2) T connectors and the LGC-4000 antenna. For HDS units.
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