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Canare L-5.5CUHD professional 75-ohm coaxial cable from the Ultra Coax series for 12G-SDI / 4K-UHD in accordance with SMPTE ST 2082-1. Suitable for longer 12G-SDI runs, up to approximately 102 m depending on the equipment used and the entire signal path.
The Canare L-5.5CUHD is a professional 75-ohm digital video coaxial cable from the Ultra Coax series, designed for demanding 12G-SDI / 4K-UHD applications in accordance with the SMPTE ST 2082-1 specification. Compared to thinner 12G-SDI cables, it offers lower attenuation, greater transmission headroom, and is suitable for longer cable runs in studios, control rooms, installations, or between professional video equipment.
For 12G-SDI / 4K-UHD, the approximate maximum transmission distance is up to 102 m according to Canare’s catalog specifications. In practice, the resulting reliability may depend on the equipment used, the receiver, signal quality, connectors, and the entire signal path.
The cable is custom-made according to the selected configuration. You can choose the desired length, available connectors, and cover color directly on the product page. Thanks to its 7.7 mm diameter and low attenuation, the L-5.5CUHD is a suitable choice where stable 12G-SDI transmission over longer distances is a priority.
The cable is suitable for use in accordance with the specifications of SMPTE ST 2082-1, SMPTE ST 424M, SMPTE ST 292M, SMPTE ST 344M, and SMPTE 259M.
| Cable type | Canare L-5.5CUHD Ultra Coax |
|---|---|
| Standard lengths | 100 / 200 / 500 / 1000 m |
| Impedance | 75 ohms |
| Cable diameter | 7.7 mm |
| Weight | 7.1 kg / 100 m |
| Center conductor | 1 / 1.35 mm |
| Total diameter of the central conductor | 1.35 mm |
| Foam dielectric diameter | 5.55 mm |
| Resistance of the central conductor | 12.8 ohms/km |
| Outer conductor resistance | 10.3 ohms/km |
| Capacitance | 52 pF/m |
| Attenuation | 39.5 dB / 100 m @ 6 GHz |
| Transmission speed | Specifications | Typical applications | Max. cable length |
|---|---|---|---|
| 143 Mb/s | SMPTE 259M | NTSC composite | 769 m |
| 177 Mbps | SMPTE 259M | composite PAL | 697 m |
| 270 Mb/s | SMPTE 259M | 4:2:2 component | 599 m |
| 360 Mb/s | SMPTE 259M | Component 4:2:2 16:9 | 491 m |
| 540 Mb/s | SMPTE ST 344M | SDI | 400 m |
| 1.5 Gb/s | SMPTE ST 292M | HD-SDI 1080i | 155 m |
| 3 Gb/s | SMPTE ST 424M | 3G-SDI 1080p | 161 m |
| 12 Gb/s | SMPTE ST 2082-1 | 12G-SDI 4K-UHD | 102 m |
The maximum lengths listed are approximate and are based on the cable parameters for the given transmission format. These are not guaranteed actual distances; in practice, they also depend on the equipment used, the receiver, the connectors, signal quality, and the entire setup.