Easily start an NMEA 2000A(R) on boardnetwork, that&&';;s simple to expand for futuresensor and display add-ons. Consists of: Two terminating resistors (TR-120M-RD, TR-120F-RD) Two T-connectors (N2K-T-RD One 2&'; extension cable (N2KEXT-2RD) One 15&'; extension cable (N2KEXT-15RD) Power node (N2K-PWR-RD) Use with Red network devices BACKBONE REQUIRED TO INSTALL ONE OR MORE NMEA 2000A(R) SENSORS