This carabiner attachment enables your 5 Watt Radio to attach to harnesses, PFDs, and packs with our classic carabiner system. It's made of a durable steel-reinforced thermoplastic loop. 
The Carabiner Attachment comes with your choice of carabiner:

• Trango Quantum Carabiner: an ultralight, fully climbing rated biner
• Trango Triton Carabiner: a corrosion-resistant twist-lock carabiner (not for climbing)