Simrad NAIS 400 AIS

Reduce your risk of collision with this fully integrated Class-B AIS transponder - essential for navigating today's busy shipping lanes and congested ports.

  • Class-B Approved
  • Send & Receive
  • Integrated Solution
  • Multiple Networking Connections
  • Waterproof
  • Lightweight
  • Low Power Consumption
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    Compact in size, lightweight, fully waterproof, with low power draw and featuring multiple connections, the NAIS-400 is ideal for networking with any NSS, NSE or NSO chartplotter / multifunction display and Simrad RS VHF system.

    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.

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

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

    The Simrad NAIS-400 AIS is Class-B Approved.

    Networking Connectors

    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
    NMEA 0183 Interface 38400 k Baud output, 4800 k Baud input


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


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

    GPS Navigation

    GPS Receiver Channels 50


    Transmitter Power Output 33dBm +/- 1.5dB


    When you choose a product from Navico Commercial, you are automatically protected by our service and support program.

    Our Service & Support program aims to provide the best possible experience, even on occasions when support or replacement is required.

    Choosing to have your system installed by a Certified Dealer adds 2 Year Onboard Support and 24 Hour Replacement to your support package. This is available only on systems installed by a Certified Dealer and valued at over US$2500.

    Learn more about Service & Support


    Navico guarantees its products against defects in materials or workmanship according to the terms and conditions detailed within the Navico Warranty Policy. Customers can obtain warranty support by contacting: