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Belden 1855A 6G HD-SDI BNC Cables
Belden 1855A 6G HD-SDI BNC Cables
Compact, flexible Mini RG59 broadcast cable assemblies for professional SD-SDI, HD-SDI, 3G-SDI and 6G-SDI video systems.
True 75Ω BNC 23 AWG Mini RG59 Made in USA Individually Tested Lifetime Connector Warranty
Choose Your Belden 1855A Cable
Start with the configurable product to select your length and cable color, or use the shortcuts for popular lengths.
ALL LENGTHS & COLORS Belden 1855A 6G HD-SDI BNC Cable Choose lengths from 6 inches through 200 feet and available cable colors on one product page.
Select Options → Shop Popular Lengths
Compact Broadcast Coax for Tight Spaces
Belden 1855A combines professional 75-ohm SDI performance with compact Mini RG59 construction. Its smaller diameter and light weight make it easier to route through crowded equipment racks, patch panels, fly packs, camera rigs and portable production systems.
Rack & Patch CablesCompact diameter helps manage dense equipment racks and patching systems.
Cameras & MonitorsFlexible routing for cameras, monitors, converters and production equipment.
Fly Packs & Mobile SystemsLightweight cable for portable production systems where space matters.
Belden 1855A Cable Specifications
| Cable | Genuine Belden 1855A Mini RG59 broadcast coax |
|---|---|
| Impedance | 75 ohms |
| Center Conductor | 23 AWG solid bare copper |
| Shielding | Dual-shielded construction |
| Outside Diameter | Approximately 4.5 mm (0.177 inch) |
| Connectors | Professional true 75-ohm BNC male connectors |
| Signal Formats | SD-SDI, HD-SDI, 3G-SDI and 6G-SDI |
| Relevant Standards | SMPTE 259M, 292M, 424M and ST 2081-1 |
| Assembly & Testing | Hand assembled in the USA and individually tested |
Choosing a Cable Length
6 in.–4 ftRack interconnects, patch panels and closely spaced equipment.
6–15 ftEquipment racks, monitors, converters and nearby camera positions.
25–50 ftStudio, control room and short production runs.
75–200 ftLonger runs; verify your SDI format and total signal path before ordering.
Need 12G-SDI or a Larger Cable?
Belden 1855A is designed for compact installations up to 6G-SDI. For single-link 12G-SDI, compare our 12G-SDI cable options. For a larger RG59 or RG6 construction, see Belden 1505A RG59 or Belden 1694A RG6.
Why Buy AV-Cables 1855A Assemblies?
Professional ComponentsGenuine Belden coax and precision 75-ohm BNC connectors.
Built in the USAHand assembled by experienced cable technicians.
Individually TestedEvery finished assembly is tested before shipment.
Connector WarrantyBacked by our lifetime connector replacement warranty.
Need a Custom Length or Production Quantity?
Contact AV-Cables for nonstandard lengths, large quantities, labeling requirements or help selecting the right SDI cable for your system.
Contact AV-Cables Call 614-834-4160