PAIDE Neutrally Buoyant Subsea Composite Cable-PE Insulation Bare Copper Conductor High-Speed Data Power For ROV/AUV Marine

This product is a high‑performance neutrally buoyant composite cable specifically designed for underwater Remotely Operated Vehicles (ROVs), Autonomous Underwater Vehicles (AUVs), subsea sensors, marine robotics, and underwater communication systems. It integrates reliable power delivery and high‑speed data transmission in a single, compact jacket, while maintaining precise neutral buoyancy in seawater and outstanding flexibility, corrosion resistance, and mechanical durability.

Model number

PDK81601-2*2.5+ATS(1*2*28AWG)

Specification

2*2.5+ATS(1*2*28AWG)

Conductor material

Pure copper

Insulation material

PE

Sheath material

Thermoplastic Polyurethane (TPU)

Sheath outer diameter (mm)

13±0.5mm

Sheath color

yellow

Temperature range

• 40-105℃

Water pressure resistance

10MPA

Unlike standard underwater cables that sink to the seabed and create drag, snagging, or entanglement hazards, this cable is engineered to remain suspended in the water column with zero net buoyancy. By matching its overall density to that of seawater through a specialized TPU/PUR foam construction, the cable eliminates hydrodynamic lift or drag on the vehicle, significantly improving maneuverability, station‑keeping performance, and operational range, especially in currents or deep‑water deployments. The design reduces tether tension and cable fatigue, extending both the cable's lifespan and the underwater vehicle's effective mission duration.

Key Construction & Features:

Composite conductor set: 2×2.5 mm² bare copper power cores (low resistance, excellent flexibility) + 1×2×28AWG twisted data pair (for RS‑485, CAN bus, or 100M Ethernet)

Insulation: Polyethylene (PE) – extremely low water absorption, high insulation resistance, stable electrical performance even after long‑term immersion

Shielding: Al foil + tinned copper braid (dual‑layer composite) – provides exceptional EMI/RFI rejection (>75 dB attenuation) for reliable sensor and video signal integrity alongside power lines

Sheath: TPU (Thermoplastic Polyurethane) – superior abrasion, seawater, oil, and microbial resistance; remains flexible in cold water and tough in deep‑sea environments

Neutral buoyancy design: Density precisely matched to seawater via TPU foam technology – no flotation aids required, no sinking, no surface floating

Ideal for:

Observation‑class ROVs, mini‑ROVs, and underwater drones requiring zero‑drag tether with both power and data

AUVs and marine robotics for subsea inspection, mapping, and surveillance

Underwater camera systems and live video streaming (supports low‑latency data links)

Subsea sensor arrays, data acquisition systems, and oceanographic monitoring stations

Sonar systems and towed arrays requiring precise depth alignment and vibration damping

Shallow‑water monitoring, aquarium systems, and swimming pool cleaning robots

Military and defense applications (mine detection, naval surveillance, harbor security)

Marine research and exploration equipment, hydrographic survey systems

This cable simultaneously meets the demanding requirements of underwater equipment for reliable power distribution, high‑speed data transmission, real‑time video, sensor telemetry, and control signals, while the neutral buoyancy design eliminates the need for additional flotation devices or complex tether management systems. The lightweight, flexible construction reduces drag on the vehicle, prevents snagging on seabed obstacles, and ensures smooth deployment and retrieval from winch systems.