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Nautilus LifeLine Radio Technical Support

The original Nautilus Radio has been discontinued.
Full technical support is still available.

Explore the all-new Nautilus GPS

Nautilus Radio MMSI Information

Firmware 1.02

Introducing the release version of firmware 1.02! It is new. It is awesome. It incorporates a new user interface that is very intuitive. To find a full explanation of the changes introduced, please see page 12 and page 13 of the Operations Manual. Please follow the steps below if you are interested:

Latest: Feb, 2015
Firmware Update (V1.02) - [Read Release Notes]

Technical Support

Please send any questions and comments about the new firmware to
or Call +1 (604)-241-1918

Obtain MMSI Number
(Mobile Maritime Service Identity)

A Maritime Mobile Service Identity (MMSI) is a series of nine digits that uniquely identifies marine vhf radios and coast guard stations.

Nautilus Lifeline LLC CANNOT provide you with an MMSI number. This is provided by local government. A 9 digit number must be entered into your unit to activate the red button. Note that different countries have different regulations for issuing MMSI numbers.

Enter MMSI Number

Enter your MMSI number using the Nautilus LifeLine Setup Utility software on your computer. With your LifeLine connected, go to the Apps tab, and click the Customize Settings button. Enter your MMSI number in the box provided, then click "Apply MMSI Number to LifeLine".

Once the red button is activated you can send out an alert message and gps position to every modern radio within range. If your number is not identifiable, the response time of local authorities or other vessels within the range of the radio should not be hindered.


1) Click “Login/Register”
2) Register with a new account if you do not already have one
3) Click “Request New MMSI”
4) Fill out the required fields as follows:

  • Vessel Name: n/a
  • Radio Call Sign: None
  • Vessel Wireless Number 1: Your phone number
  • Vessel Flag State: n/a
  • Ship Classification: Unspecified
  • Scroll down to the bottom and save the registration.


    Ofcom | Hand held VHF DSC FAQs


    The equivalent of MMSI numbers in Canada are known as MI numbers. Please follow this link to Industry Canada to access the MI number application form for handheld VHF radios not associated with a ship: 

    This form should then be submitted to your nearest Industry Canada district office.


    Here is a list of government agencies that may be able to provide more information about how to Obtain an MMSI in your region. List of Regulatory Bodies

    For divers going on a dive trip aboard a dive boat, you can use this page to find the MMSI number of boats worldwide.


    We are pleased to advise that AMSA recently held a meeting with ACMA to discuss the Diver Handheld VHF DSC transceivers and the requirement to provide a MROVCP. It was agreed there is no requirement in Australia to provide a MROVCP for the owner/operator of the device if operating from a boat of whom is being operated by someone who is qualified. If the person is operating from the shore then they must be suitably qualified.

    Diver Handheld VHF DSC transceivers

    Effective as from November 2013, the Australian Communications and Media Authority (ACMA) does not mandate a marine radio operator certificate prior to the issuing of an MMSI for personally attached diver VHF radios, that offer a digital selective calling transmit capability, and limited voice communications. This presumes that the radio operator in the diving boat (mother vessel) is qualified. In the case of lone divers not operating from boats, the requirement for a marine radio operator certificate remains.

    For more Information please visit

    How do I change my MMSI number?

    International regulations state that only the radio manufacturer may change an MMSI number. The Lifeline is the only marine radio that allows this change WITHOUT sending it back to the factory. Email your name, unit serial number and place of purchase to and we will clear your MMSI. Once this is completed, connect your LifeLine to the desktop software and click “Check for Updates”. Please allow 2 business days for our support team to clear programmed MMSI numbers.

    Nautilus Marine Rescue Radio

    Puts safety into the hands of everyone in or on the water. This Marine Rescue Radio is depth rated to 425 feet (cap closed) and is a very simple but incredibly clever way to call or send a distress message to boats around you up to a demonstrated range of 34 miles.
    The Nautilus Radio works everywhere in the world. It is a true peace of mind for everyone in or on the water.

    Back to top

     Size & Weight
     Weight   9.88 Oz (280 g)
      2.6"W x 5.72"H x 1.8"D (67x145 x46 mm)
     Power & Battery
      1850mAh Li-on Rechargeable
     Battery Capacity
      24 Hrs +
     Maximum RF Power
      1.85 Watts + 0dB / -3.5dB
     Depth Rating & Communication Range
     Depth Rating
     425 Feet (130 Meters) with cap closed
     Voice Communication Range  2-6 Miles (3-10 Km) depending on antenna height
     Distress Range (Red Button)
     Transmits DSC alerts/ GPS to boats up to a demonstrated range of 34 miles (55 km)
     Frequency Range
     All Marine Channels
     GPS  Stores up to 30 Waypoints
     Channel Spacing
     25 KHz
     Material  Polycarbonate, 316 L Stainless Steel
     Floating  YES with cap closed
     Display Type

    keyman special button find dealer map button become a dealer application button


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    The Nautilus GPS is manufactured and sold by IAL dba Nautilus Liveaboards.