ACR Electronics Bivy Stick vs ResQLink PLB-375

Weight and specs compared for 2026 — and which one to choose.

ACR Electronics Bivy Stick is the lighter option — 35 g lighter than the ResQLink PLB-375 (26% less weight). If grams matter to you, that is the one to beat.

Spec	ACR Electronics Bivy Stick	ResQLink PLB-375
Weight	100 g · 0.100 kg · 0.22 lb	135 g · 0.135 kg · 0.30 lb
Brand	ACR Electronics	ResQLink
Category	Safety	Safety

ACR Electronics Bivy Stick

100 g

Compact two-way satellite communicator with SOS, GPS tracking and app-based messaging over the global Iridium network.

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ResQLink PLB-375

135 g

Personal Locator Beacon. Activates free search and rescue.

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ACR Electronics Bivy Stick vs ResQLink PLB-375: which should you buy?

If saving weight is your priority, the ACR Electronics Bivy Stick wins — at 100 g it is 35 g (26%) lighter than the ResQLink PLB-375 (135 g). That said, the heavier option may justify the extra grams with more capacity, durability or comfort, so weigh the trade-off against how you'll use it.

See where both rank against everything else in this category on the lightest safety page, or browse the full gear weight database.

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