Secure your Expedition Radio to a harness, PFD, pack, or other gear with the durable Carabiner Attachment. The attachment loop is made from steel-reinforced thermoplastic to keep your radio safely in place, even on rough terrain or in wet conditions. Choose your carabiner: Trango Quantum Carabiner: Ultralight and climbing-rated for alpine use Trango Triton Carabiner: Corrosion-resistant twist-lock (not for climbing)