MD71HR Digital Compass Heading Repeater Display

Modular NMEA-based OLED Digital Heading Repeater, housed in a robust aluminium enclosure with a multi-function keypad.


The MD71HR is a modular NMEA-based OLED Digital Heading Repeater, housed in a robust, compact aluminium enclosure with
a multi-function keypad. The compact 1/4 DIN size makes it an ideal addition to any work boat, enabling digital heading data (ship’s heading) to be displayed and monitored at any location on a wide range of vessel types.

Compact and rugged, the MD71HR offers a heading repeater solution for locations where space is limited and may be either panel mounted or flat surface mounted.

Finished in Jet Black (RAL9005) Fine-texture Powder Coat to complement other marine navigation equipment.

The MD71HR from Marine Data: flexible in application, easy to install and simple to maintain.


  • Compact Size
  • OLED Display for Super Bright, High Contrast Display
  • Six button membrane-type keypad
  • Low Power Consumption
  • NMEA 0183 Input
  • Displays True or Magnetic Source
  • Rugged, Marinised Construction
  • Supports NMEA2000 / CAN Bus


  • Repeats the display of a ship’s magnetic or gyro compass at any convenient location on a vessel
  • Provides the heading display in an Electro-magnetic Compass System


  • Panel Mounting Kit (Supplied)
  • MD71TB – Trunnion Mounting Bracket Kit
  • MD01/PMD – Remote Rotary Dimmer Control


  • MD71MFD – Multi-Function Display (Same Enclosure)
  • Transmitting Heading Device (THD) Systems (TMC and EMC)

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