Sierra's NMEA 2000 series of waterproof cables and adapters are NMEA approved and specifically designed to fit marine requirements. Our NMEA series cables and adapters follow the requirements of a serial data communication network to interconnect marine electronic equipment on vessels. Equipment designed to this system will have the ability to share data, including commands and status with other compatible equipment over a single channel. From fish finders to deep sea vessels autopilot, you can always find suitable products for your devices' usage with Sierra!