The sea beats rescue crews four ways: dark water, wasted setup minutes, corrosive spray, and a wall of noise. Every one of them costs time — and at sea, time is lives.The RH42Y-S is an integrated long-range acoustic-optic system built on a dual-gimbal platform: directional acoustic modules, HD camera, high-intensity illumination, green laser, and laser rangefinder on a high-precision stabilized pan-tilt head (stability ≤0.5 mrad) that holds target lock through vessel sway and vibration.
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