← Gear database

Cypher Climbing Mydas Ultra II vs ResQLink PLB-375

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

Cypher Climbing Mydas Ultra II is the lighter option — 111 g lighter than the ResQLink PLB-375 (82% less weight). If grams matter to you, that is the one to beat.
shopping_cart Check today's price on Amazon
Spec Cypher Climbing Mydas Ultra II ResQLink PLB-375
Weight 24 g · 0.024 kg · 0.05 lb 135 g · 0.135 kg · 0.30 lb
Brand Cypher Climbing ResQLink
Category Safety Safety
Cypher Climbing Mydas Ultra II
24 g

Ultralight carabiner at 0.85oz with 22kN rating. Wire gate design.

Full details →
ResQLink PLB-375
135 g

Personal Locator Beacon. Activates free search and rescue.

Full details →

HikeLoad is reader-supported. As an Amazon Associate we earn from qualifying purchases, at no extra cost to you. Learn more.

Cypher Climbing Mydas Ultra II vs ResQLink PLB-375: which should you buy?

If saving weight is your priority, the Cypher Climbing Mydas Ultra II wins — at 24 g it is 111 g (82%) 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.

More safety comparisons

Cypher Climbing Mydas Ultra II vs Fox 40 Micro Whistle Cypher Climbing Mydas Ultra II vs Acme Tornado 636 Cypher Climbing Mydas Ultra II vs Edelrid NINETEEN G Cypher Climbing Mydas Ultra II vs Unknown Phantom Carabiner Cypher Climbing Mydas Ultra II vs Camp Photon Cypher Climbing Mydas Ultra II vs Black Diamond Oz Screwgate Carabiner