Maretron J1939 to NMEA 2000 Engine Mon. Gateway New Condition. This J1939 to NMEA Gateway from Maretron allows you to monitor and control multiple engines and generators with a simple plug-and-play design. The Maretron J1939 to NMEA 2000 Engine/Transmission / Generator Gateway also monitors frequency and power data for your inboard or outboard engines and can also be used as part of a fuel computer. This Maretron Gateway is built on the Dual-Mode communication system which ensures that all communication between devices on either side of the connection are error-free and error-correct so you can trust the information coming from the device you're connecting it to. For a great way to monitor all of your engine and generator technical data in one convenient place choose the Maretron J1939 to NMEA 2000 Engine/Transmission/Generator Gateway. Specifications for Maretron J1939 to NMEA 2000 Engine Mon. Gateway: Manufacturer: Maretron Color: Black Features of Maretron J1939 to NMEA 2000 Engine Mon. Gateway: Converts the J1939 data to the marine digital interface (NMEA 2000) Can also be used as part of a complete fuel computer AC generator current/frequency and voltage Included Accessories: J2K100-01 Documentation Package Contents: Maretron J1939 to NMEA 2000 Engine Mon. Gateway Maretron J2K100-01: J1939 to NMEA 2000 Engine Mon. Gateway New Condition