NMEA 2000 4-Port Backbone KitGarmins 4-port kit includes essential items needed to build a basic NMEA 2000 network backbone. The kit includes an NMEA 2000 4-port T-connector, backbone/drop cable (2M), power cable (2M), and male and female terminator connectors. table.productattributes, .productattributes td { border-bottom: 1px solid #ddd; border-collapse: collapse; padding: 2px; text-align: left; } Truck Freight: No Oversized: No