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300ft underwater Cat6 Ethernet cable with waterproof connectors for PoE and subsea camera systems

300ft Underwater Ethernet Cable Cat6 (PoE++) – DNC-1044

$812.00
SKU:
DNC-1044-L-300
Availability:
Free Standard Shipping to USA. For international shipping please contact us. Lead time 6-8 days after payment
Shipping:
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Custom Made:
Assembled in USA

Transmit power and data up to 300ft (90m) underwater using a single Cat6 PoE++ cable — ideal for ROVs, live streaming, and inspection systems.

Used in ROV systems, underwater live streaming, marine research, and industrial inspection applications.

300ft Underwater Ethernet Cable Cat6 (PoE++) – DNC-1044

The DNC-1044 is a 300ft (90m) underwater-to-surface Cat6 Ethernet cable designed for reliable long-distance data transmission and power delivery in demanding underwater environments. It supports PoE, PoE+, and PoE++, allowing both data and power to travel through a single cable.


Typical System Setup

Surface laptop / PoE switch → DNC-1044 Ethernet cable → underwater bulkhead connector → underwater camera or subsea device

IUnderwater Ethernet system diagram with surface laptop, PoE switch, 300ft Cat6 cable, bulkhead connector and subsea camera: underwater Ethernet system with surface laptop, PoE switch, 300ft Cat6 cable, bulkhead connector, and subsea camera.

Example of a complete underwater Ethernet system using DNC-1044 cable.


Key Features

  • 300ft (90m) length for long-distance underwater applications
  • Cat6 Ethernet standard with data speeds up to 1 Gbps
  • Supports PoE / PoE+ / PoE++ (IEEE 802.3af / at / bt)
  • Simultaneous power and data transmission over one cable
  • Waterproof construction for underwater use
  • Designed for professional, industrial, and marine environments

Applications

  • Underwater live streaming systems
  • ROV and subsea robotics
  • Marine research and monitoring
  • Industrial underwater inspections
  • Security and surveillance systems

Who Is This Cable For?

  • ROV and subsea robotics operators
  • Underwater live streaming teams
  • Inspection and engineering companies
  • Marine researchers
  • Professional underwater camera integrators

Why Use PoE Underwater?

Power over Ethernet allows both power and data transmission through a single cable, simplifying installation and reducing the need for separate power lines in underwater environments.


Why Professionals Choose This Cable

  • Reduces system complexity by combining data and power in one cable
  • Supports reliable long-distance operation up to 300ft (90m)
  • Proven for professional underwater systems and subsea integration

Available Length Options

This cable is available in multiple lengths to fit different underwater applications:

  • 300ft (90m) – standard long-distance deployment
  • 330ft (100m) – extended reach applications

Looking for a Shorter Cable?

If you need a shorter solution, check our 100ft underwater Ethernet cable for more compact setups, DNC-1020


Integration with Dive And See Systems

The DNC-1044 is compatible with Dive And See underwater Ethernet bulkhead connectors and camera systems, helping create complete plug-and-play underwater communication solutions.


Recommended Components

  • Underwater Ethernet bulkhead connectors
  • Underwater camera systems
  • Surface PoE switches
  • Underwater housings with Ethernet bulkhead ports

Technical Highlights

  • Ethernet Category: Cat6
  • Data Speed: up to 1 Gbps
  • PoE Support: IEEE 802.3af / at / bt
  • Length: 300ft (90m)
  • Designed for underwater operation

Frequently Asked Questions (FAQ)

Can this cable provide power and data at the same time?

Yes. The DNC-1044 supports PoE, PoE+, and PoE++ standards, allowing simultaneous transmission of power and data over a single cable.

What is the maximum data speed?

This cable supports up to 1 Gbps data transmission based on the Cat6 Ethernet standard.

Is this cable suitable for long-distance underwater applications?

Yes. The 300ft (90m) length is designed specifically for long-distance underwater installations such as ROVs, inspections, and live streaming systems.

Can I use this cable with my underwater housing?

The cable is compatible with Dive And See underwater bulkhead connectors and can be integrated into many professional underwater housings and subsea systems.

Do you offer custom lengths or connectors?

Yes. Custom lengths, connector types, and configurations are available upon request.


Important Tightening Warning

Before submerging, verify that all connectors are fully tightened by hand. Do not use tools. Improper sealing may result in water ingress and equipment damage.


Need a Custom Length or Connector?

Custom cable lengths, connector types, and configurations are available upon request. Contact Dive And See for tailored underwater Ethernet solutions.

Compatibility:

AJA RovoCam Integrated 4K-HD Camera with HDBaseT for underwater applications  DNC-1020 underwater cable for Z2 E2 F6 Ethernet port Gigabit Ethernet data control live streaming, made by Dive And See

 
underwater ethernet cable poe cat6