The MiniPlex-3 Series NMEA multiplexers comprises a range of advanced NMEA multiplexers which combines data from multiple navigation instruments.

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Through an advanced filtering and routing system, this data can be sent to other navigation instruments and to computers, tablets and smartphones.

A bi-directional SeaTalk1 interface enables conversion between SeaTalk1 data and NMEA 0183 sentences. This conversion works both ways, allowing the MiniPlex-3 to replace Raymarine’s SeaTalk-NMEA bridge (E85001).

MiniPlex-3 models with an NMEA 2000 interface (-N2K suffix) connect directly to an NMEA 2000 backbone and convert between NMEA 2000 PGN’s, NMEA 0183 sentences and SeaTalk1 datagrams in all directions.

All data is available on one or more computer interfaces in NMEA 0183 format. NMEA 2000 PGN’s and SeaTalk datagrams for which no NMEA 0183 equivalent exists, can be converted to special NMEA 0183 sentences, allowing software developers to support processing of raw NMEA 2000 and SeaTalk data.

Each and every port on a MiniPlex-3 multiplexer is galvanically isolated from the internal electronics and from every other port. This guarantees that no ground loops will be created when adding a MiniPlex-3 to a navigation network. It also ensures a trouble free connection to any type of NMEA 0183 port of any device.

The MiniPlex-3 multiplexers are all functionally identical but differ in type and number of computer interfaces.

The MiniPlex-3 Series has a rich set of features and configuration options, enabling the user to tackle almost any NMEA bottleneck or interface problem. The configuration tool MPX-Config3 allows full configuration of the multiplexer and monitoring of NMEA data passing through the multiplexer.



  • Supply voltage: 8-35VDC, secured against reversed polarity.

  • Inputs: 4 x NMEA 0183/RS-422, galvanically isolated.
  • Input 1 can be set to SeaTalk mode. Outputs: 2 x NMEA 0183/RS-422, galvanically isolated.
  • The MiniPlex-3 offers several conversion options for NMEA sentences: Magnetic to True heading conversion and vice versa GPS speed to Log speed and vice versa Reverse True heading Old (VWR) to new (MWV) wind sentences and vice versa Relative/Apparent to Theoretical/True wind RMC to GGA

In Stock 2 Items

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