OCEAN SIGNAL M100 and M100X MSLD (Maritime Survivor Locating Device)

  • Product Code: M100
  • Availability: Pre-Order

OCEAN SIGNAL M100 and M100X MSLD (Maritime Survivor Locating Device)

Professional Man Over Board device incorporating both AIS and 121.5MHz homing beacon

  • AIS transmissions for position plottingAIS transmissions for position plotting
  • 121.5MHz transmission for homing121.5MHz transmission for homing
  • Designed for automatic activation in Life Jacket*Designed for automatic activation in Life Jacket*
  • Simple to fit to Life Jacket*Simple to fit to Life Jacket*
  • >12hours transmission>12hours transmission
  • 66 channel GPS for fast accurate positioning66 channel GPS for fast accurate positioning
  • 2 year warranty2 year warranty
  • Five year battery lifeFive year battery life
  • M100X ATEX and IECEx Zone 2
M100X ATEX and IECEx Zone 2

The M100 and M100X MSLD (Maritime Survivor Locating Device) from Ocean Signal has been designed to meet the needs of the professional marine market and its offshore workers. The M100 and M100X can be fitted to a life jacket* and will automatically activate on inflation of the jacket. Once activated the M100 and M100X will transmit an alert to all AIS receivers and AIS enabled plotters in the vicinity. The M100 and M100X also transmit a 121.5 MHz homing signal in addition to the AIS. The integrated 66 channel GPS ensures a position update is provided every minute via AIS. The M100X is designed to meet the European ATEX directive and IECEx approval for use in zone 2 explosive atmospheres.

The following statement is for US customers only:  This device has not been authorized as required by the rules of the Federal Communications Commission. This device is not, and may not be, offered for sale or lease, or sold or leased, until authorization is obtained.

* Always refer to the manufacturer for specific instructions before installing this product directly to your life jacket. 


AIS Transmission

Transmit Power(EIRP)
Baud Rate

Homer Transmission

Transmit Power(EIRP)


Temperature Range (Operational)
-20°C - +55°C
Temperature Range (Storage)
-30°C - +70°C
Damp Heat (humidity)
40°C @ 93%
10m depth
132mm x 53mm x 28mm
RTCM SC11901, EN303 098, EN302 961


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