Product Description
Belden 4505R 12G UHD-SDI BNC Cable – RG59 Broadcast Coax
Professional 12G-SDI Cable for 4K UHD Video
AV-Cables Belden 4505R 12G UHD-SDI BNC cables are built for professional broadcast, live production and commercial AV applications requiring dependable 4K video transmission.
Constructed with genuine Belden 4505R full-size RG59 coaxial cable and professional true 75-ohm BNC connectors, these assemblies support SD-SDI, HD-SDI, 3G-SDI, 6G-SDI and single-link 12G-SDI signals.
Compared with Mini RG59 cable, 4505R provides a more robust full-size RG59 construction with lower signal loss for longer 12G cable runs. It is an excellent choice for cameras, switchers, routers, monitors, converters, engineering racks, fly packs, production trucks and permanent broadcast installations.
Every AV-Cables 4505R assembly is hand assembled in the USA and individually tested before shipment.
Why Choose Belden 4505R?
Belden 4505R fills the gap between lightweight Mini RG59 and larger RG6 broadcast coax.
Full-Size RG59 Construction
At approximately 5.92 mm in diameter, 4505R provides a more substantial cable than Mini RG59 while remaining easier to handle than full-size RG6.
12G-SDI for 4K UHD
Designed for single-link 12G-SDI transmission and professional 4K UHD broadcast applications.
True 75-Ohm Signal Path
Professional 75Ω BNC connectors help maintain the impedance required for high-bandwidth SDI video transmission.
Longer 12G Runs
4505R offers lower attenuation than Mini RG59, making it a strong choice when 12G cable runs begin exceeding the practical range of smaller 4855R cable.
Professional Broadcast Construction
A solid 20 AWG silvered-copper conductor combined with foil and high-coverage braid shielding provides excellent signal integrity and interference protection.
Built and Tested in the USA
Each cable assembly is hand assembled and individually tested by AV-Cables before shipment.
12G / 6G / 3G SDI Performance
Belden 4505R is designed for professional serial digital video transmission across multiple generations of SDI equipment.
| SDI Format | Recommended Maximum Cable Length* |
|---|---|
| 12G-SDI / 4K UHD | Up to 200 ft |
| 6G-SDI | Up to 300 ft |
| 3G-SDI | Up to 400 ft |
| HD-SDI / SD-SDI | Longer runs possible |
*Transmission distances are approximate. Actual maximum distance can vary depending on source equipment, receivers, connectors, patch panels, bulkheads and installation conditions.
Belden 4505R Technical Specifications
| Specification | Details |
|---|---|
| Cable | Belden 4505R |
| Coax Type | RG59 |
| Impedance | 75 Ohm |
| Nominal Cable OD | 0.233 in / 5.92 mm |
| Center Conductor | 20 AWG Solid Silvered Copper |
| Insulation | Gas-Injected Foam Polyethylene |
| Shielding | 100% Foil + 95% Tinned-Copper Braid |
| Jacket | PVC |
| Rating | CMR |
| Connector Type | BNC Male to BNC Male |
| Connector Impedance | True 75 Ohm |
| Maximum SDI Format | 12G-SDI |
| 12G Standard | SMPTE ST 2082-1 |
| 6G Standard | SMPTE ST 2081-1 |
| 3G Standard | SMPTE ST 424M |
| Assembly | Hand Assembled in USA |
| Testing | Individually Tested |
Supports Professional SDI Video Formats
This 4505R BNC cable is suitable for:
12G-SDI • 6G-SDI • 3G-SDI • HD-SDI • SD-SDI • 4K UHD Video
Compatible SDI standards include:
SMPTE ST 2082-1 • SMPTE ST 2081-1 • SMPTE 424M • SMPTE 292M • SMPTE 259M
Professional Applications
AV-Cables 4505R 12G-SDI cables are ideal for professional video environments including:
- Broadcast cameras and studio cameras
- 4K production switchers
- SDI routers and distribution systems
- Video monitors and multiviewers
- Video converters and processors
- Production trucks and mobile broadcast systems
- Fly packs and portable production systems
- Broadcast engineering racks
- Live event video production
- Houses of worship
- Corporate AV systems
- Schools and universities
- Government and institutional AV
- Permanent SDI installations
4855R vs. 4505R vs. 4694R
Choosing the correct SDI coax becomes increasingly important as cable length increases.
| Cable | Size | Best Use | Approx. 12G Distance |
|---|---|---|---|
| Belden 4855R | Mini RG59 | Racks, patching & lightweight runs | Up to ~150 ft |
| Belden 4505R | RG59 | General-purpose & medium 12G runs | Up to ~200 ft |
| Belden 4694R | RG6 | Long-distance 12G installations | Longer runs |
When Should You Choose 4505R?
Choose 4505R RG59 when you want greater 12G transmission distance and a more robust cable than Mini RG59 without moving to the larger diameter of RG6.
For short equipment-rack runs where small size and flexibility are more important, 4855R Mini RG59 may be the better choice.
For longer 12G-SDI cable runs, consider 4694R RG6.
Built for Professional Broadcast & AV
AV-Cables manufactures professional cable assemblies for broadcast, video production, live events, studios, houses of worship, corporate AV and commercial installations.
Our 4505R BNC cables are:
Hand Assembled in the USA
Individually Tested
Built with Genuine Belden 4505R
Available in Multiple Lengths and Colors
Custom Lengths Available
Need a special length or configuration? Contact AV-Cables for custom cable assemblies and production quantities.
