DNC-1062 Underwater 3G-SDI Cable
The DNC-1062 is a professional underwater 3G-SDI cable designed for reliable long-distance HD video transmission in demanding underwater environments. The system supports stable 1080p60 broadcast-quality video for underwater cameras, ROVs, marine inspections, scientific research, and live broadcasting applications.
Unlike standard HDMI cables, 3G-SDI technology is engineered for long cable runs, strong signal integrity, and professional underwater operation. The cable features waterproof Dive And See connectors, professional BNC locking interfaces, flexible strain relief, and durable shielding for harsh underwater environments.
Diagram A — How It Works
The DNC-1062 underwater cable transmits 3G-SDI HD video from underwater cameras directly to surface monitors, SDI recorders, or HDMI displays using an SDI to HDMI converter.

Key Features
- Professional 3G-SDI underwater video cable
- Supports 1080p60 Full HD video transmission
- Reliable long-distance underwater signal transmission
- Professional BNC locking connectors
- Strong EMI / RFI resistance
- Flexible and rugged underwater cable construction
- Designed for underwater filming, inspections, and industrial applications
- Compatible with SDI monitors, recorders, and SDI to HDMI converters
- Custom cable lengths available
Diagram B — SDI vs HDMI
3G-SDI is the preferred professional standard for underwater video transmission because it provides significantly better reliability, stronger signal integrity, longer transmission distances, and secure locking connectors compared to HDMI systems.

Technical Specifications
| Product Type | Underwater 3G-SDI Cable |
| Video Standard | 3G-SDI |
| Video Resolution | 1080p60 Full HD |
| Connector Type | Professional BNC Locking Connector |
| Cable Length | 50 meters |
| Waterproof Rating | Designed for underwater operation |
| Signal Stability | High reliability for long cable runs |
| Shielding | Professional EMI / RFI shielding |
| Applications | ROV, underwater filming, inspections, marine research, broadcasting |
| Custom Options | Custom cable lengths available |
Compatible Dive And See Bulkhead Connectors
The DNC-1062 underwater 3G-SDI cable is designed to work seamlessly with multiple Dive And See SDI bulkhead connectors for professional underwater camera housings, broadcast systems, underwater monitors, and marine inspection equipment.
- DNC-2076 — Underwater HD-SDI bulkhead connector M16 long thread
- DNC-2155 — SDI swivel underwater bulkhead connector for Atomos monitor systems
- DNC-2085 — Rotatable SDI underwater bulkhead connector M16
- DNC-2125 — SDI underwater bulkhead connector M16 long thread 90-degree version
- DNC-2030 — Underwater 3G-SDI bulkhead connector for M16 ports
- DNC-2036 — 3G-SDI bulkhead connector 16mm pitch 1.5mm
Custom Cable Options
Custom underwater SDI cable lengths and alternate connector configurations such as BNC or TNC are available upon request for underwater broadcast systems, ROVs, underwater filming, marine inspections, scientific research, and industrial underwater video applications.
Tightening Warning
Before underwater use, always verify that all waterproof connector coupling nuts are fully tightened by hand. Do not use tools or pliers. Improper tightening may result in water intrusion or equipment damage.
Applications
- Professional underwater video transmission
- ROV and AUV systems
- Marine and subsea inspections
- Underwater filmmaking and cinematography
- Scientific underwater research
- Underwater live broadcasting systems
- Commercial diving operations
- Mission-critical underwater monitoring
- Surface monitoring and recording systems
Compatible Equipment
- Underwater SDI camera systems
- 3G-SDI monitors
- SDI recorders
- SDI to HDMI converters
- Broadcast video systems
- Professional underwater housings with SDI bulkhead connectors
Frequently Asked Questions
Why use 3G-SDI instead of HDMI underwater?
3G-SDI is designed for professional long-distance video transmission and provides better signal stability, stronger locking connectors, lower latency, and improved reliability compared to HDMI systems in underwater environments.
Does the DNC-1062 support 1080p60 video?
Yes. The DNC-1062 supports stable 1080p60 Full HD video transmission using the 3G-SDI standard.
Can I connect the DNC-1062 to an HDMI monitor?
Yes. An SDI to HDMI converter can be used on the surface to connect HDMI monitors, TVs, or HDMI recording devices.
Is SDI better for long underwater cable runs?
Yes. SDI technology is specifically designed for long cable distances and is significantly more reliable than HDMI for professional underwater applications.
What applications is the DNC-1062 designed for?
The cable is ideal for underwater filming, ROV systems, marine inspections, scientific research, underwater broadcasting, and commercial diving operations.
Are custom cable lengths available?
Yes. Custom underwater SDI cable lengths and connector configurations are available upon request.
Can this cable be used with underwater bulkhead connectors?
Yes. The DNC-1062 is compatible with various Dive And See underwater SDI bulkhead connectors and professional underwater camera systems.
Is the connector waterproof?
Yes. The cable uses professional waterproof underwater connectors designed for harsh marine environments.