Raymarine MCU-250 with GSM and Twin CAN-bus link

The MCU-250 adds GSM capabilities to the system. A dedicated SIM card slot allows the MCU-250 to connect to a mobile GSM network and communicate with a smartphone via text messaging and CAN-bus link to third-party systems such as air conditioning, battery management etc. MCU-250 Master Control Unit (MCU) or other MCU is required if more than 3 CCM s are installed on the system. The Master Control Unit is the central processor that drives the system, providing computing power, intelligence and decision making. The MCU is a NMEA2000 device that talks to other system components via the NMEA2000 network. The MCU stores and executes configuration files for Installation.