Quick Overview

World's Smallest Buoyant Personal Locator Beacon (PLB). Replaces old ResQlink+ Bouyant.

148 grams and topping just 11.5cm, the ResQLink 400 is both a small and buoyant Personal Locator Beacon. Small enough to be carried in your pocket, clipped to a backpack or stored inside an inflatable life jacket.

The ACR Resqlink 400 is the world's smallest buoyant PLB, at just 148g! This product replaces the old ResQlink+ Bouyant. It is perfect for all outdoor activities including kayaking and other water sports. 

Small but resilient, the ResQLink 400 has been professionally engineered and tested to ensure it can withstand even the harshest elements.

This buoyant Personal Locator Beacon requires no subscription for use and can be utilised to enhance your safety in a wide variety of environments. Whether on land, at sea, or in the air, trust that the ResQLink’s satellite precision and military durability, put rescue in the palm of your hands.


  • No Subscription Required
  • Global Coverage
  • GPS and Galileo GNSS
  • Built-In Buoyancy
  • Strobe and Infrared Strobe
  • MEOSAR Compatible
  • Small and lightweight
  • 5-year battery life
  • 24+ hours Operational Life**
  • Multi-function Clip System Included

**Based on test report from an accredited laboratory


  • 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: 11.5cm (L) x 5.16cm (W) x 3.78cm (D)
  • Battery: Non-hazmat Lithium batteries (LiMnO2)
  • Class: Class 2 Operation (at -4ºF / -20ºC)
  • 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
  • Weight: 148g

Standard/Free shipping to major capitals takes 2-5 business days (after dispatch), with occasional delays.

Order before 11am - we usually ship the same business day!

Choose Express Post for priority packing and faster shipping.

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