The SAM Electronics – Lyngso Marine UNM 401 P/N 271.153.683 is a marine grade network interface module designed for reliable data communication and integration within vessel automation and monitoring systems. Engineered to connect multiple field devices, sensors, and control units with central control platforms, the UNM 401 enhances signal coordination and system responsiveness. Built to withstand harsh maritime environments, it delivers robust performance and seamless compatibility with SAM Electronics/Lyngso Marine control architectures.