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Ocean Signals Rescueme MOB1

NZD552.00 NZD599.96 inc GST (NZD480.00 + GST) All prices on this website are in NZD

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The worlds smallest personal locating AIS Man OverBoard device with integrated DSC


  • Simple lifejacket integration
  • High intensity strobe High intensity strobe
  • Fast accurate positioning Fast accurate positioning
  • AIS (Automatic Identification System) AIS (Automatic Identification System)
  • Automatic activation Automatic activation
  • 30% smaller 30% smaller
  • 24+ hours operational life 24+ hours operational life
  • 5 year warranty 5 year warranty
  • 7 year battery life 7 year battery life
  • Integrated DSC transmitter (digital selective calling)* Integrated DSC transmitter (digital selective calling)*



  • Integrated DSC transmitter (digital selective calling)*
  • 30% (typ) smaller than competitors
  • Automatic activation
  • Simple lifejacket integration
  • 7 year battery life
  • 24+ hours operational life
  • 5 year warranty†
  • Fast accurate positioning

* DSC functionality is subject to regulations of country. † Subject to warranty statement.

Introducing the world’s smallest AIS MOB device with integrated DSC – the rescueME MOB1 from Ocean Signal. The MOB1 is compatible with even the most compact inflatable life-jackets.

The MOB1 is intended to be installed within the life-jacket and will activate automatically on inflation, sending the fi rst alert within 15 seconds.

The integrated strobe light ensures maximum visibility in low light conditions.

The MOB1 communicates with the vessel you have been separated from and other vessels in the vicinity (up to 5 miles range dependent on conditions). To alert rescue authorities, an alternative product the rescueME PLB1 communicates directly via a dedicated search and rescue satellite network.

In an emergency rescueME MOB1 provides 2 methods of rapidly communicating your position, accurate to a few metres,  back to the vessel, plus providing visual indication via its built in strobe light.

The best chance of rapid rescue if you fall overboard comes from your own vessel. Your crew needs to be immediately aware of the incident and keep track of your position whilst recovery is carried out. Even in the most moderate of seas it is alarming how quickly a visual sighting of a man overboard can be lost.

MOB1-dimentionsOnce activated your MOB1 will transmit an alert to all AIS receivers and AIS enabled plotters in the vicinity. The integrated GPS ensures precise location is sent to your vessel and any others that may be assisting.

An additional feature of the MOB1, is its ability to activate the DSC alarm on your vessels VHF, alerting your crew to the situation.

Compatibility: Most modern AIS plotters and DSC VHF comply with the standards required to receive MOB transmissions. It is however, especially if you are using older equipment, recommended that you check compatibility with the equipment manufacturer.  See the FAQs below for more information.

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AIS transmission transmit power = 1 Watt

Frequency = 161.975/162.025 MHz

DSC transmission transmit power = 0.5 Watt

Frequency = 156.525 MHz

Messages: Individual Distress Relay Distress Alert
(by single call made on press of the activation button)

Temperature range (operational) = -20 deg C to +55 deg C

Temperature range (storage) = -30 deg C to +70 deg C

Waterproof to 10m depth

Weight = 92 grams

Standards: RTCM SC11901, EN303 098-1

FAQs - read more


What test modes does the MOB1 have?

There are three test modes on the MOB1; Functional, DSC and AIS/GPS.

The Functional test should be carried out once a month and will display the length of time the battery has been used for.  It will also apply a load to the battery to test that the battery is not faulty or has been discharged.  It carries out other functional tests on the electronic circuitry.  It does not test the GPS or make test transmissions.

The DSC test should be carried out no more than two times a year.  This test sends a single DSC transmission to the MMSI programmed into the MOB1, which will be displayed on the vessels DSC radio.  It does not send a Distress or Distres Relay call and the call does not contain the position.

The AIS test should be carried out no more than three times a year.  This test activates the GPS receiver and after the position is determined it makes an AIS transmission, which will display on a suitable AIS receiver or chartplotter.  The received AIS message will show the position determined by the MOB1 GPS receiver.  There is also a transmission of the AIS text message containing the words “MOB TEST”.  Note that this test must be done with the MOB1 in full view of the sky.  Without a valid position, the MOB1 will not transmit any AIS messages.

The limitation on the number of tests a year is to ensure that the battery will still have its full operational life at the expiry date of the battery.

Why does my MOB1 show red flashes if I try to programme the MMSI number?

If the unit fails to programme, showing the flashing red LED on completion, please try again.  Turn the MOB1 on in programming mode again and retry.  There is no need to exit the programming screen on the programme.  If the programming page is showing, simply press F10 again to commence the programming sequence again.

If you are having problems programming your MOB1, please check the following guidance.

1) Make sure that your screen brightness is set to maximum, using the controls on the monitor or device.

2) Ensure that you have commenced programming within 50 seconds of putting the MOB1 into programming mode.  Failure to do this will cause the MOB1 to have turned off before communication starts.  Note that once programming has commenced (The white box is flashing) the MOB1 should stay on until the programming sequence is completed.

3) Ensure that the MOB1 is placed over the white square with the rubber programming adaptor firmly touching the screen and with the aperture in the rubber close to the centre of the white box.

4) Avoid programming the MOB1 in bright ambient light conditions.  If necessary point the screen away from direct or bright sources of light such as sun through a window.  (In extreme circumstances, especially with older screens that have lost their brightness, place a thick cloth over the screen and MOB1 to block out the ambient light.)

5) The MOB1 configuration software requires precise timing, which may be disrupted by other applications running at the same time, especially on slower computers.  If you still encounter problems, try shutting down all un-necessary applications, including anti virus

Which DSC radios are compatible with the MOB1?

Ocean Signal recommends using one of the radios from the list below with the rescueME MOB1. The following class D DSC radios have been tested in cooperation with the manufacturer and confirmed to receive the Individual Distress Relay call.

Current models; M91, M323, M423, M506
Older models; M411, M421, M505, M603

Simrad: RS90

Standard Horizon: GX1600E (Explorer); Newer models are also likely to work but have not been tested.

Class A DSC radios have always been able to receive this call and all models are believed to be compatible.

This list is not exhaustive and will be added to as more compatible models are confirmed.

Ocean Signal welcomes enquiries from other manufacturers wishing to have their radios listed here.

What DSC functions are allowed in my country?

The DSC functionality of the MOB1 is limited by regulations in each country.  The list below indicates which functions you may expect.

AIS only: Canada, France, Denmark, Latvia

AIS + DSC Individual Distress Relay call plus group call sent after 30minutes: USA

AIS + DSC Individual Distress Relay call only: Germany, Netherlands, United Kingdom

AIS + DSC Individual Distress Relay,All Ships Distress Alert (manual initiation): All other European countries

AIS + DSC Individual Distress Relay, All Ships Distress Alert, sent once on MOB1 activation and on manual initiation: Rest of the World.





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