ACR ResQlink 400 PLB


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The ACR ResQlink 400 PLB


 Built in Buoyancy    GPS


The ACR ResQlink 400 PLB is a compact Personal Locator Beacon designed to withstand any conditions.

Although it is small in size, this ResQlink is designed with satellite precision and military resistance. This PLB features three signal technology levels, ensuring an accurate relay of your position in the event of a search and rescue.

The PLB would become activated and alert the authorities of your position in the water.

To activate, press the on button to deploy the antenna. This will then transmit a signal that declares your GPS position, guiding them to within a maximum of 100 metres.

This PLB does not require a subscription for use and can be utilised in various situations, whether on land or at sea.


Key Features

  • GPS and Galileo GNSS
  • Buoyant
  • Strobe and Infrared Strobe
  • Global Coverage
  • Small and Lightweight
  • 5-year battery life
  • MEOSAR Compatible

If you would like a PLB with Return Link Service (RLS) or Automatic Idenfication System (AIS)  then see the ACR ResQlink 410 PLB with Return Link Service (RLS)


Remember to register the ResQlink PLB with the UK Coastguard – to register the PLB once received please visit

Before you start registration

You’ll need:

  • The beacon Hexadecimal Identification (HEX ID) or Unique Identifying Number (UIN), manufacturer serial number and model
  • An emergency contact for search and rescue authorities
  • If you have a vessel – your vessel name, number, call sign, Maritime Mobile Service Identity (MMSI) number, and details of the radio communications equipment you use
  • If you have an aircraft – your aircraft make, model, registration mark, and details of the radio communications equipment you use




Name ResQLink 400
Product Description Buoyant Personal Locator Beacon without Digital Display
Model Number PLB-400
Application Hiking, camping, rock climbing, snow mobiling, skiing, fishing, boating, canoeing, kayaking, paddle boarding etc.
Size 4.52” (L) x 2.03” (W) x 1.49” (D)

11.48 cm (L) x 5.16 cm (W) x 3.78 cm (D)

Weight 0.317 lbs (144 g)
Battery Non-hazmat Lithium batteries (LiMnO₂)
Class Class 2 Operation (at -4°F / -20°C)
GPS Multi-Constellation receiver (GPS and Galileo GNSS)
Temperature Range Storage: -22°F to +158°F (-30°C to +70°C)

Operating: -4°F to +131°F (-20°C to +55°C)

Battery Replacement After 5 years or after emergency use, whichever is first.
Activation Manual
Buoyant* Yes
Operational Life** 24+ hours
Warranty 5 years
Waterproof 16.40 ft (5m) @ 1 hr., 33 ft (10m) @ 10 min.
Approvals Cospas-Sarsat, FCC, Europe RED

Delivery Information

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