RescueME PLB3

With the introduction of Automatic Identification System (AIS) functionality, Return Link Service (RLS) technology, and Near Field Communication (NFC) capabilities in one 406 MHz Personal Locator Beacon (PLB), the new Ocean Signal rescueME PLB3 represents a significant step forward in the evolution of PLB’s. The merging of 406 MHz and AIS distress messaging effectively pairs both global and local rescue, thereby maximizing access to the most effective rescue resources available. In addition, NFC capability provides users with the world’s first smartphone connected PLB and the all-new Return Link Service feature provides users with the comfort in knowing that their distress message has been received and their location detected by worldwide Search and Rescue personnel.

As a leading innovator in life-saving products for both professional and recreational use, Ocean Signal is proud to offer the PLB3 AIS Personal Locator Beacon. As the world’s FIRST PLB with AIS and the world’s FIRST PLB to include NFC and mobile app, there’s no need to justify why the PLB3 should be your FIRST choice.

SKU: 732S-03668

Categories: RescueME

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Return Link Service (RLS Capable)

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Integrated AIS Alert

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Multi GNSS

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406MHz & 121.5MHz Signals

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Visible Light and IR Strobe

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Simple Life Jacket Integration

Introducing the Award Winning Ocean Signal rescueME PLB3 AIS Personal Locator Beacon, now free mobile app.  The PLB3 transmits on the worldwide Cospas Sarsat satellite system which includes 3 different constellations to ensure your 406 MHz distress signal immediately reaches the global network of Search and Rescue forces with your location accurate to within 100 meters. With multiple levels of integrated signaling technology including 406 MHz and GNSS (GPS, Galileo, Glonass) positioning, the PLB3 also transmits a 121.5 MHz homing signal which guides Search and Rescue services to the beacon’s current location when they arrive on the scene, as the beacon may have drifted from the originally transmitted position. The addition of AIS (Automatic Identification System) transmissions means the PLB3 AIS Personal Locator Beacon simultaneously alerts all vessels equipped with AIS transponders within the VHF radio range of the PLB’s distress position. This greatly increases both the likelihood and speed of rescue since nearby vessels receive the alerts.  Immediately upon deployment of the beacon an AIS Safety Message or MOB Alarm with the beacon’s MMSI and location is presented on any AIS screen within range. This makes it easy for nearby vessels to home in on the beacon since it is an active AIS target on their screens.


The PLB3 will light the way as rescuer arrive on scene with both a white visible strobe and infrared strobe providing rescuers with the visual reference they need during nighttime or other low visibility rescue operations.


Smartphone Connectivity utilizing Near Field Communication (NFC)


The integration of NFC technology provides users with the ability to conveniently access beacon data from their mobile phone. The simple act of placing a phone near the beacon automatically opens the Ocean Signal Product App and provides access to a wealth of usage data including current battery life, number of self-tests completed, number of GNSS tests completed, and if applicable, the amount of time the beacon has been activated. Detailed information on each self-test and GNSS test performed by the beacon is also available if desired. For each successful GNSS test, users can view a map showing exactly where the test was performed, the date and time of the test, the time it took the beacon to get a fix on your GNSS coordinates, the number of satellites the beacon used to obtain that fix, and the accuracy of the location.


Return Link Service


Return Link Service or RLS functionality works when Search and Rescue send a signal back through the Galileo satellite network to confirm to the beacon user that their distress message has been received and their location detected. User confirmation is distinctly indicated by a flashing blue light on the PLB3. In addition to including a comprehensive feature set, the PLB3 AIS Personal Locator Beacon is built for comfort. Enjoy the peace of mind in knowing that your distress message has been successfully delivered and that help is on the way.


Life Jacket Integration


The PLB3 is designed to install within a life jacket and activate upon inflation of the jacket (semi-automatic). Installation is made simple using the included oral inflation tube clip to attach the PLB3 to the life jacket with a ribbon connected around the bladder of the life jacket. Once correctly installed, the action of the life jacket inflating triggers deployment of the antenna and activation of the beacon.


Users not wishing to install the PLB3 within a life jacket have the option to utilize the included webbing clip to attach the beacon to an appropriately sized belt or the webbing of an inherently buoyant life jacket.




  • No Subscription Required
  • 406 MHz Cospas Sarsat Distress Signal (MEOSAR Compatible)
  • 121.5 MHz Local Homing Signal
  • AIS (Automatic Identification System) Locating Signal
  • Smartphone connectivity via NFC (Near Field Communication)
  • Free Ocean Signal Beacon Mobile App (IOS and Android)
  • Return Link Service (RLS) Functionality
  • GNSS via GPS and Galileo Satellites
  • Strobe and Infrared Strobe Light
  • Global Coverage
  • Simple PFD attachment
  • Designed to Integrate with common Inflatable PFDs
  • Multifunction Clip System Included
  • Small and lightweight
  • 5-year battery life
  • Over 24 hours Operational Life

406MHz Satellite Transmitter





Output Power

5W Typical


Phase ±1.1radians

Emission Designator



Bi-phase L

Data Rate


121.5MHz Homing Beacon





Output Power (PERP)

25 – 100mW


Swept Tone AM (3K20A3X)

Modulation Factor


Modulation Duty Cycle


Duty Cycle


AIS Transmitter


161.975/162.025MHz ±500Hz

Transmit Power (EIRP)

1 Watt ±3dB

Baud Rate

9600 baud




Message 1 (Position), Message 14 (Status)

Repetition Interval

8 messages/min. /Message 14, 2x every 4 minutes

Visible Light Strobe

Light Type

High Intensity LED

Light Colour


Flash Rate

20-30 per minute


>1 candela

Infra Red Strobe

Light Type


Light Colour


Flash Rate

20-30 per minute





Lithium/Iron Disulphide (Li/FeS2)

Operating lifetime

>24 hours @ -20°C (-4°F)

Lithium Metal Weight (for air transport)


Replacement Interval

6 years from date of manufacture

GNSS Receiver

Satellite Channels

72 acquisition



Cold Start Re-acquiaition


GPS Antenna

Microstrip Patch


Temperature Range (operational)

Class 2 -20°C (-4°F) to +55°C (+131°F)

Temperature Range (storage)

Class 2 -30°C (-22°F) to +70°C (+158°F)

Damp Heat (humidity)

40°C (104°F) at 93%

Drop (hard durface)

1m : 6 sides

Water Immersion

>10m (1.0bar) : > 60 minutes

Thermal Shock

45°C into 100mm of water : > 1 hour


Cospas Sarsat

T.001 / T.007


EU Radio Equipment Directive 2014/53/EU.


UK Radio Equipment Regulation 2017.


CFR47 part 95K,


With AIS only under RSS287.


AS NZS 4208.2 and AS NZS 4869.4

Your Ocean Signal product is warranted against manufacturing defects in materials and workmanship for a period of 2 years from the date of purchase and in accordance with the following conditions.


Ocean Signal will at its discretion, repair or replace faulty product free of charge excluding the cost of shipping. Proof of purchase from the original purchaser shall be required in order for a warranty claim to be valid. All claims shall be made in writing to Ocean Signal or an approved service dealer or


Ocean Signal shall not be liable to the buyer under the above warranty:


  • for any repairs or modifications carried out on the product using parts that are not supplied
    or approved by the manufacturer Ocean Signal including batteries and for work carried out
    other than by Ocean Signal or approved service dealers,
  • for any part, material or accessory that is not manufactured by Ocean Signal, the consumer
    will be covered by the guarantee / warranty offered to Ocean Signal by the manufacturer or
    supplier of such a component,
  • for product which has not been fully paid for,
  • for any product supplied by Ocean Signal to a customer under an alternative warranty or
    commercial agreement,
  • for the cost of shipping product to and from the customer.
  • The Battery is only warranted until the date of expiry and provided the unit is tested in accordance
    with the information in the user manual as noted by the electronic witness stored within the product.


The following specific item is excluded from this warranty:


  • Damage to the antenna


This warranty does not affect your statutory rights.


Extended Warranty


By entering your product details you can add 3 years to the warranty period.



My NFC is not working

Please follow the following steps:
Remove your phone’s case
Check the positioning on the device
Check the model of the device is compatibile with NFC

My antenna is rusted/broken

Rusted antennas are not covered under warranty, please see our dealer locator for your closest battery replacement center for a repair.

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