ROV Fiber Optic Communication | Neutral Buoyancy Cable | High-Speed Data | Hybrid Power & Fiber Design

Conductor: Multi-stranded tinned copper combined with single-mode or multi-mode optical fibers, ensuring reliable power delivery and high-speed data transmission in deep-sea ROV operations.

Jacket: Durable seawater-resistant polyurethane (PUR) or TPU with low-drag, abrasion-resistant finish, minimizing hydrodynamic resistance and protecting against biofouling and mechanical wear.

Structure: Precision foamed insulation and integrated aramid strength members provide exact neutral buoyancy control, EMI shielding, and compact tether management for dynamic ROV maneuvering.

Performance: High flexibility with bend radius as low as 6×OD, supporting hybrid power/fiber communication, stable signal integrity, and long-term deep-sea deployment up to 6,000 meters.

Environment: Optimized for harsh subsea conditions including varying salinity, pressure, and temperature; engineered for offshore, scientific, and defense ROV fiber optic missions.

 

ROV Fiber Optic Communication | Neutral Buoyancy Cable | High-Speed Data | Hybrid Power & Fiber Design

Enhance deep-sea ROV operations with our advanced Neutral Buoyancy Cable—engineered for high-speed fiber optic communication and hybrid power delivery. Designed for precision neutral buoyancy, this tether integrates multi-stranded copper conductors with optical fibers in a flexible, low-drag jacket, providing reliable power and uninterrupted high-bandwidth data transmission for professional ROV missions.

With over 20 years of underwater cable engineering experience and thousands of successful deployments, our cables are trusted by offshore operators, research institutions, and defense agencies worldwide. All products are manufactured under ISO 9001:2015 quality systems, fully RoHS and REACH compliant, and optionally certified by DNV, ABS, or Lloyd’s Register.


Why Choose Our Neutral Buoyancy Cable for Fiber Optic ROV Missions

In high-performance subsea applications, cable reliability directly affects mission success. Our Neutral Buoyancy Cable delivers seamless integration of power and fiber, minimizing drag while maintaining exact neutral buoyancy. Key advantages include:

  • Hybrid power and fiber design for simultaneous energy supply and high-speed data

  • Precise neutral buoyancy control for stable ROV positioning and minimal thruster load

  • Low-drag, flexible jacket optimized for dynamic tether management

  • Multi-stranded tinned copper conductors for robust electrical performance

  • High-quality optical fibers (single-mode or multi-mode) for real-time video, sonar, and sensor telemetry

  • Durable construction with abrasion-resistant polyurethane or TPU jacket and optional aramid reinforcement

This makes it ideal for ROV inspection, intervention, survey, and hybrid fiber-power operations at extreme depths.


Product Models and Core Attributes

Model Core Attributes Conductor / Fiber Configuration Rated Depth Outer Diameter Weight in Water
NB-ROV-FO-4P 4 power cores + 2 fiber channels, IP68, neutral buoyancy 4 × 2.0 mm² tinned Cu + 2 × single-mode fibers 3,000 m 18.5 mm Neutral (~0 kg/m)
NB-ROV-FO-6HY 6 cores (4 power + 2 signal) + 4 fibers, shielded 4 × 1.5 mm² + 2 × 0.75 mm² + 4 fibers 4,500 m 20.7 mm Neutral (~0 kg/m)
NB-ROV-FO-8F 8 power/fiber hybrid, high-speed, flexible 6 × 1.5 mm² + 2 × 1.0 mm² + 4–8 fibers 5,500 m 22.8 mm Neutral (~0 kg/m)
NB-ROV-FO-PRO Professional-grade, enhanced armor, hybrid design 6 × 2.0 mm² + multi-pair + 8–12 fibers 6,000 m 26.0 mm Neutral (~0 kg/m)

All models feature polyurethane (PUR) or thermoplastic (TPU) outer jackets, multi-stranded copper for power, and high-bandwidth optical fibers for reliable communication.


Applications and Deployment Scenarios

Our Neutral Buoyancy Cable is optimized for ROV missions that require integrated power and high-speed fiber optic communication:

  • Deep-sea inspection and intervention ROVs

  • Subsea pipeline and infrastructure surveys

  • Offshore oil & gas inspection and maintenance

  • Marine research and environmental monitoring ROVs

  • Hybrid power and fiber tethered survey vehicles

  • Military and defense ROV deployments requiring real-time telemetry

Long-tail SEO phrases: neutral buoyancy cable for ROV fiber optic communication, high-speed hybrid fiber and power tether for deep-sea ROVs, low-drag neutral buoyancy cable for 6000m ROV operations.


Technical Specifications

Parameter Specification Standard / Notes
Conductor Tinned multi-stranded copper (Class 5/6) IEC 60228
Insulation Foamed PE or XLPE Low dielectric loss, buoyancy control
Optical Fibers Single-mode or multi-mode Supports high-bandwidth video and data
Strength Member Kevlar or aramid braid Tensile strength ≥2,500 kg
Shielding Aluminum foil + tinned copper braid (≥85% coverage) EMI/RFI protection
Outer Jacket PUR or TPU, seawater-resistant Abrasion, UV, and biofouling resistant
Buoyancy Neutral in seawater Density 1.00–1.03 g/cm³
Operating Temperature –40°C to +80°C Subsea operational range
Voltage Rating 300/500V or 600/1000V options Power and control compatible
Certifications ISO 9001, RoHS, CE, ABS/DNV optional Independently verified

Frequently Asked Questions (FAQ)

Q: Can fiber optics be integrated with power lines in a single tether?
A: Yes. Our hybrid design allows simultaneous power delivery and high-speed fiber optic data transmission.

Q: How is neutral buoyancy maintained at different depths?
A: Through precise material density control and foamed insulation calibrated during manufacturing.

Q: Are these cables suitable for long-term deep-sea deployments?
A: Yes. Built with seawater-resistant jackets, aramid reinforcement, and multi-stranded conductors for decades of service life.

Q: Can the fiber configuration be customized?
A: Absolutely. Single-mode, multi-mode, or mixed fiber arrangements are available to match mission-specific bandwidth needs.

Q: Is pre-terminated assembly available?
A: Yes. Factory-terminated connectors (SubConn®, SEACON, Teledyne) are available with full pressure and electrical testing.

 

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