PDK81601-UTP CAT6 Buoyant Ethernet Cable – UTP CAT6, Bare Copper, PE Insulation, Foamed TPU Jacket, For Subsea Data & Floating Networks

This PDK81601 buoyant Ethernet cable is specifically designed for underwater and floating applications requiring reliable high‑speed data transmission with low underwater weight and controlled flotation. It integrates a standard UTP (Unshielded Twisted Pair) CAT6 core – comprising four twisted pairs of 23 AWG bare copper conductors – into a lightweight, water‑blocked construction optimized for 1000BASE‑T (Gigabit) Ethernet over moderate distances. All conductors are bare copper to ensure low resistance, minimal signal attenuation, and stable impedance for high‑frequency data integrity. PE (Polyethylene) provides primary insulation with excellent dielectric properties, very low moisture absorption, and stable performance across a wide temperature range – critical for maintaining CAT6 transmission characteristics in wet environments. The outer jacket is extruded from foamed TPU (Thermoplastic Polyurethane) , a micro‑cellular material that significantly reduces cable density (typically <1.0 g/cm³) to achieve near‑neutral or positive buoyancy in seawater, while retaining the abrasion, hydrolysis, and UV resistance of solid TPU. The cable incorporates water‑swellable tapes and pressure‑resistant fillers to prevent water ingress, ensuring reliable operation under hydrostatic pressure. This cable is ideal for ROV floating tethers, subsea camera links, oceanographic data buoys, and marine observation networks – where high‑speed Ethernet connectivity, lightweight handling, and low drag are essential.

Key Features – UTP CAT6, Bare Copper, PE Insulation, Foamed TPU Sheath

UTP CAT6 Ethernet core – four unshielded twisted pairs, 23 AWG bare copper, supporting 1000BASE‑T (Gigabit) with excellent crosstalk and return loss performance; suitable for standard RJ45 connectors and PoE (Power over Ethernet) applications.

Bare copper conductors – stranded or solid (typically stranded for flexibility) bare copper pairs, providing high conductivity and stable signal integrity.

PE insulation – rated -40°C to +80°C; low dielectric constant, negligible moisture absorption, and resistance to seawater, acids, and alkalis – ensuring consistent impedance and low attenuation.

Foamed TPU outer sheath – micro‑cellular foamed TPU structure lowers overall cable density (<1.0 g/cm³) for buoyancy; retains the mechanical toughness, flexibility, and environmental resistance of solid TPU.

Watertight integrity – multi‑layer water‑blocking tapes and pressure‑resistant core design prevent water migration along the cable, even under hydrostatic pressure.

Compact and flexible – small diameter and good flexibility facilitate easy handling, spooling, and deployment in marine environments.

Ideal For

ROV and AUV floating tethers for real‑time video, sonar, and telemetry over Ethernet

Subsea camera systems and observation stations requiring high‑bandwidth IP data links with low drag

Oceanographic drifting buoys and floating sensor networks with Ethernet‑based instruments

Marine renewable energy system monitoring (wave, tidal) with submerged, buoyant data cabling

Military underwater surveillance and expendable communication links

Any underwater application demanding a UTP CAT6 Ethernet link + buoyant/lightweight characteristics + watertight integrity without tension requirements

Conclusion

This PDK81601‑UTP CAT6 buoyant cable delivers a reliable, high‑performance solution for subsea Ethernet communication with controlled flotation. The combination of a UTP CAT6 core, bare copper conductors, PE insulation, and a foamed TPU jacket ensures stable Gigabit data transmission, low underwater weight, and long‑term durability in marine environments. It is an ideal choice for ROV systems, oceanographic research, and floating sensor networks.

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