Coaxial Cable
Coaxial cable carries analogue and digital video, SDI broadcast signals and radio-frequency (RF) signals over a central conductor surrounded by insulation, a screen and an outer jacket. This collection covers coaxial cable on reels for CCTV installations, broadcast and professional video, and...
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About Coaxial Cable
Coaxial cable carries analogue and digital video, SDI broadcast signals and radio-frequency (RF) signals over a central conductor surrounded by insulation, a screen and an outer jacket. This collection covers coaxial cable on reels for CCTV installations, broadcast and professional video, and general electrical communication use.
Choosing coaxial cable. RG59 is the traditional choice for analogue CCTV and short video runs, while RG6 has a larger conductor and lower loss, so it is often used for longer runs and 12G-SDI or 4K video. Mini RG59 is thinner and easier to route in crowded conduits and racks. All of these are 75 ohm types, so match the impedance to your cameras, recorders and connectors.
- Jacket: LSZH (low smoke zero halogen) is widely specified for indoor buildings, while PVC is common for general use.
- Conductor: solid copper is used for fixed installation; high-flex types suit equipment that moves.
- Screening: foil plus braid improves protection against interference.
- Reel length: lengths such as 100 m, 305 m and 500 m are available, and colours help identify different circuits.
The range includes Belden coaxial cable for CCTV, SDI and video applications. For data cabling, see our Cat6 and Cat6A network cable and Cat5e network cable, or browse the full Cable and Networking range and the Belden collection.



