Underwater ROV Tether – Fiber Optic/Cat5 Neutral-Buoyancy Floating Tether | Shanghai Deru Cable
Specification
| Basic Structure | Conductor+Insulation+Jacket+Hose |
| Conductor | Plain Copper/ Tinned Copper |
| Insulation | PE |
| Braid | Kevlar/ Plain Copper/ Tinned Copper |
| Jacket | PUR/TPE/PCP |
INTRODUCTION
Looking for a high-performance neutral buoyancy ROV tether that balances stable underwater floating, high-speed data transmission, and long-lasting subsea durability? Shanghai Deru Cable presents the premium fiber optic & Cat5 floating ROV tether, specially engineered for full-scenario underwater robot operation and marine subsea projects.

[Deep sea operation, repeated winding & bending test, seawater corrosion resistance demonstration]
Built for harsh marine working conditions, this floating ROV tether features an ultra-flexible, wear-resistant and seawater-proof outer jacket, with excellent tensile strength, anti-aging and anti-hydrolysis performance. The fine-stranded tinned copper conductor and waterproof fiber core structure support long-term dynamic underwater deployment, repeated reeling and bending, adapting to shallow water inspection, deep-sea exploration, underwater engineering construction, marine fishery monitoring, and underwater camera shooting scenarios. Compared with traditional rigid tethers, our neutral buoyancy design effectively reduces underwater drag, avoids ROV operational deviation, and extends the overall service life of subsea equipment.


As a professional Chinese manufacturer focusing on subsea cable solutions, Shanghai Deru Cable supports custom length, buoyancy tuning and structural customization for fiber optic Cat5 ROV tethers. All products comply with international marine industry standards, with stable quality, cost-effective pricing and global after-sales service. We provide one-stop underwater tether solutions for commercial ROVs, underwater detection equipment, and marine engineering projects worldwide.

[Brand logo + product model + contact information, global service coverage map]
Choose Shanghai Deru Cable’sneutral buoyancy fiber optic Cat5 ROV floating tether for more stable, efficient and reliable underwater operation. Contact us for detailed specifications and customized solutions today








ADVANTAGES
Different from ordinary underwater cables, our neutral-buoyancy underwater tether adopts precise density calibration technology, achieving zero-weight floating in all kinds of seawater and fresh water environments. It eliminates extra traction burden on ROVs, greatly improving the flexibility and precision of underwater navigation, rotation and close-range operation. Integrated with professional Cat5 Ethernet data transmission and high-precision fiber optic signal transmission modules, this dual-functional tether realizes stable transmission of HD underwater video, real-time sensor data, and remote control signals with zero delay and zero signal interference.
CUSTOMIZATION CAPABILITY
We are your reliable partner in special cable customization
Considering different working conditions and clients' request, Derul's cable product can be highly customized.
To best meet the demands in our clients' practical application, we can offer highly customized solution and quality cable product, to ensure the cable is suitable for our clients.
We welcome new clients to send us specific requirement. Our teams will evaluate it and offer unique technical datasheet and technical drawings to you.
Our competitive price which most clients could afford will be another key to our successful and efficient cooperation.
As the original manufacturer, we provide quick response to any of our clients' inquiry. We have close interconnection between the workshop, engineer and sales person.
FAQ
Q: Is Derul Cable the original manufacturer?
A: Derul Cable is a special cable manufacturer. Our factory is based in Shanghai.
Q: Is the price negotiable?
A: Yes, the price is negotiable. Our price is also flexible due to several factors including purchase quantity.
Q: What is the regular MOQ for your cable?
A: Any quantity is okay to purchase for product at stock. For product with no stock, its MOQ is usually 100-200 meters per type.
Q: How can I get sample?
A: Usually you only need to pay the express freight, and after your confirmation of the product dimension and structure, we can arrange the sample and send it directly to you.
Q: Is OEM or ODM service available?
A: OEM and ODM services are both available. You can provide us with your requirement for the product and we will evaluate it to push forward.
Q: What is the regular production time?
A: For regular quantity, it usually costs about 15-25 days to produce.
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Quick Links
WhatsApp: +86 13641831061
E-mail: sales@derulkable.com
Add.:No.236 Fenggao Road Fengxian District Shanghai China
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