Simrad NAIS-400 AIS transponder


  • Class-B Approved

    Meets with the strict regulations set out for this class of Automatic Identification System.

  • Send & Receive

    The NAIS-400 ensures that you are seen and can see on the water by sending a signal to other vessels with your navigational data, whilst you receive data from other vessels. This allows you to plan any necessary avoidance manoeuvres well in advance.

  • Integrated Solution

    Networks with your NSS, NSE and NSO chartplotter / multifunction display and your VHF for a fully integrated system.

  • Multiple Networking Connections

    Compatible with NMEA2000® / NMEA0183® / NMEA0183® Multiplexing / USB

  • Waterproof

    IPX7 standard

  • Lightweight

    Just 250g

  • Low Power Consumption

    Ideal for sailboats or power boats with a low average power consumption of 170mA at 12 VDC.

Technical Specification

Networking Connectors

NMEA 0183 Interface 38400 k Baud output, 4800 k Baud input
Connectors VHF antenna connector (SO-239), External GPS Antenna (SMA), USB type Mini-B plug, NMEA 2000 standard connector, 12 way power input/NMEA 0813/External switch


Operating Temperature -25°C to +55°C
Waterproof Standard/rating IPx7
Product Length [mm] 140
Product Width [mm] 100
Product Height [mm] 42


Power Consumption 170mA at 12 VDC
Power Supply (Supply Voltage) 9.6 – 31.2 VDC


Transmitter Power Output 33dBm +/- 1.5dB

GPS Navigation

GPS Receiver Channels 50


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