ACR RESQLINK 400 PLB-400 Class 2 Manual Buoyant Personal Locator Beacon, 16.4 ft at 1 hr, 33 ft at 10 min, ACR-Treuse (High Visibility Yellow)|2921

ACR 2921, ResQLink 400, Model Number: PLB-400, Personal Locator Beacon

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Small but resilient, the ResQLink View 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 includes a digital display providing live status and GPS coordinates. 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. With three levels of integrated signal technology – GPS positioning, a powerful 406 MHz signal, and 121.5 MHz homing capability – the ResQLink 400 quickly and accurately relays your position to a worldwide network of search and rescue satellites. Additionally, a built-in strobe and infrared strobe facilitate nighttime, or other low visibility rescues. Wherever your adventure takes you, whether it’s a trip to the highest mountain peaks, the most undiscovered terrain, or the vastest of oceans, rest assured that the ResQLink 400 always activates easily. Simply deploy the antenna, press the on button, and the beacon will do the rest for you by effortlessly guiding rescuers to within 100 m or less of your position. Due to innovative design elements, multifunction clips can be used in conjunction with the beacon, providing numerous wearability options that address a variety of usage applications. The increased ease of incorporating the ResQLink 400 on your person, or with your gear, just made all your adventures not just safer, but more convenient too. As a leader in life saving products for both professional and recreational use, ACR provides unparalleled safety and peace of mind with the ResQLink 400 personal locator beacon.

Additional information

Weight 1.1 lbs
Item Name

Buoyant Personal Locator Beacon




7 91659 02921 3



4.52 x 2.03 x 1.49 in

Operating Temperature

-20 to 55 deg C

Activation Method


Battery Type

Lithium (LiMnO2)

Battery Storage Life

5 years


406.031 MHz

Output Power

5+ W


High Impact UV-Resistant Plastic


1 Flash/10 s Bright White


Class 2

GPS Module

Multi-Constellation Receiver (GPS and Galileo GNSS)


ACR-Treuse™ (High Visibility Yellow)


2 ppb/100 ms

Modulation Type

3K20A3X AM/16K0G1D Phase