Box Content:  – GPSMAP 8422 – Power/Data cable – NMEA 2000 T-connector and terminator kit – NMEA 2000 backbone/drop cable (2m) – NMEA 2000 backbone/drop cable (6m) – NMEA 2000 Power cable – Flush mount hardware – Protective cover – Trim piece snap covers- GPS 19x NMEA 2000 (with pole mount, flush mount and under deck mount adapters) – Documentation