The MTU AIS-C transponder is a compact AIS AtoN device, providing automatic information on the GPS position of the marine aid to navigation (AtoN); thus making easy the location and identification of buoys, beacons and lighthouses on a vessel or an AIS Base Station chart.

A triple environmental protection housing compactly holds this device and the GPS antenna inside. The transponder is able to send status signals and alarms signals coming from any kind of beacon, either rotating or flashing one, without need to install any additional sensors.

Additionally, the MTU AIS-C can transmit meteorological and oceanographic data, such as current, wave height, tides, and wind direction and intensity; all this with a minimum energy consumption.

The MTU AIS-C complies with IMO, IEC, ITU and IALA Standards.

Technical specifications

Broadcasting of aids-to-navigation (AtoN) identification data on Message 21

As well as basic data and operating status

Able to transmit meteorological and oceanographic data on Message 8
Ideal for remote monitoring and control of beacons

Providing alarms and status on Message 6

Manufactured according to IEC AIS Aids to Navigation

IEC 62320-2
IEC 60945
IEC 61108-1
IEC 61162-1/2
ITU-R M.1371-4
IALA A-126

Certifications approved by BSH, R&TTE, BSH, FCC (USA) and IC (Canada)
Two versions are available

MTU AIS-C1: Type 1, transmitter only
MTU AIS-C3: Type 3, transmitter-receiver

Capability of generating virtual and synthetic navaids (AtoN)

And also repeater function


Via software under Windows environment and commands via VDL radio

Remote Monitoring Centre Software

Via AIS available


DAIS is an AIS Data Decoder software developed by MSM for AIS-Aton system users. A simple, practical, and intuitive tool focused on displaying the specific messages type transmitted by AIS-Aton devices, excluding from the decoding registration the data messages transmitted by ships.

DAIS is fully focused on the reception and decoding of Messages 21, 6 (GLA), 6 (MSM) and 8, so that messages transmitted by Class A and B transponders or ships are not registered and decoded.

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