ResQLink PLB-375 vs SPOT Gen4

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

ResQLink PLB-375 is the lighter option — 14 g lighter than the SPOT Gen4 (9% less weight). If grams matter to you, that is the one to beat.

Spec	ResQLink PLB-375	SPOT Gen4
Weight	135 g · 0.135 kg · 0.30 lb	149 g · 0.149 kg · 0.33 lb
Brand	ResQLink	SPOT
Category	Safety	Safety

ResQLink PLB-375

135 g

Personal Locator Beacon. Activates free search and rescue.

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SPOT Gen4

149 g

One-way satellite tracker with SOS capability.

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ResQLink PLB-375 vs SPOT Gen4: which should you buy?

If saving weight is your priority, the ResQLink PLB-375 wins — at 135 g it is 14 g (9%) lighter than the SPOT Gen4 (149 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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