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ACR AISLink MOB.                                        Ref: LA-20804

The AISLink MOB personal AIS locator beacon or MOB automatically activates upon inflation of the lifejacket, sending an initial alert within 15 seconds to all AIS receivers and plotters in the vicinity. Both positioning and MOB emergency messages are transmitted alerting vessels up to 5 miles away from your emergency situation.

Even in moderate seas, it is alarming how quickly a visual sighting of a man overboard can be lost.  The AISLink MOB’s integrated GPS quickly pinpoints a precise location and transmits this as part of the AIS alert message to all local AIS-equipped vessels. The AISLink MOB also has the ability to alert your crew to the emergency by activating the DSC alarm on your vessel’s VHF. All AIS receivers and AIS-enabled plotters within a 5-mile radius (dependent on conditions) are alerted, and an integrated high-intensity strobe light assists with accurate positioning even in low light conditions. Powerful lithium metal batteries provide 24+ hours of operational life, and the high-impact housing can withstand a drop to the water of 20m.

Note that most modern AIS plotters and DSC VHF units comply with the standards for receiving MOB transmissions. However, it is recommended that you check with your equipment manufacturer to ensure compatibility. DSC functionality may vary — or be disabled entirely — according to the regulations of individual countries.

Key Features:

  • Dual alert via AIS and DSC Personal Locator
  • Onboard GPS for exceptional location accuracy
  • Simple life jacket integration
  • Manual or Automatic Activation
  • Alerts AIS-equipped vessels up to 5 miles (4.3 NM) away
  • 24+ hours of operational life and 7 Year battery life
  • Ultra-bright LED strobe light
  • Rugged and Waterproof up to 10 meters


  • Activation Method:    Manual or Automatic Activation
  • Application:    Coastal Cruising, Sailing, Offshore Recreational, Commercial Marine Crew Overboard Beacon
  • Battery Life:   7 Years from date of manufacture or after emergency use (24+ hours operational battery life)
  • Waterproof:   10 Meters
  • Weight:  92g
  • Warranty:    5 Years
  • GPS Enabled:   Yes
  • Dimensions: 115 x 46 x 27mm
  • Strobe: LED Strobe Light
  • Temperature Range - Operational: - 4°F to +131°F (-20°C to +55°C)
  • Temperature Range - Storage: - 22°F to +158°F (-30°C to +70°C)
  • Frequency:    AIS channel 1- 161.975 MHz, AIS channel 2 – 162.025 MHz, DSC 156.525 MHz
  • Transmit Power: (EIRP)    AIS: 1 Watt, DSC: 0.5 Watt
  • Baud Rate:    AIS: 9600 Baud, DSC: 1200 Baud
  • AIS Messages:    Message 1 (Position), Message 14 (MOB Status)
  • AIS Repetition Interval:    8 messages/minute (message 14 sent twice every 4 minutes)
  • DSC Messages:    Individual Distress Relay (single call made on the press of the activation button, in regions where it is allowed)
  • DSC Repetition Interval:    Once every 5 minutes (Relay only)


ACR AISLink MOB - Product Manual 

ACR AISLink MOB - Spec Sheet


This product is warranted against factory defects in material and workmanship for a period of 5 (five)* years from the date of purchase or receipt as a gift. During the warranty period ACR Electronics, Inc. will repair or at its option, replace at no cost to you for labor, materials or return transportation.

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