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Shop | Cable Assemblies | HD-SDI Cable Assemblies | HD-SDI Cable Assembly - Belden 179DT

HD-SDI Cable Assembly - Belden 179DT


HD-SDI patch cables using BELDEN 179DT (Digital Truck) 6GHz cable and precision BNC plugs. These HD-SDI patch leads are assembled at our Harlow, Essex assembly facility under our proven quality control system.

Belden 179DT is a small diameter precision video cable (OD 2.9mm) suited to applications where space is at a premium such as internal wiring for Broadcast trucks.

Belden 179DT has a 28.5awg conductor, foil and tinned copper braid shields and a Black PVC jacket which is suitable for indoor use only. 


1.      SMPTE ST259  (SD-SDI)                360Mb/s

2.      SMPTE ST292  (HD 1.5G-SDI)      1.5Gb/s 

3.      SMPTE ST424  (HD  3G-SDI)         3Gb/s

Recommended maximum transmission distance

SMPTE ST259 - Distance is based on 30dB loss at ½ clock frequency according to Belden data sheets

Maximum distance is 111M

SMPTE ST292 & ST424 - Distance is based on 20dB loss at ½ clock frequency according to Belden data sheets

HD-1.5Gb/s     maximum distance is 36M

HD-3Gb/s        maximum distance is 25M


Coloured strain relief boots (standard is Black)

Cable labels

Cable length

Technical information

Belden 179DT data sheet   179DT data sheet 31-1-20.pdf

Belden Recommended transmission distance table   digital-video-distance-chart-24-4-2019.pdf


  • SDI / HD-SDI patch lead
  • Belden 6GHz precision video cable
  • Precision "true" 75Ohm BNC connectors
  • Black strain relief boots
  • Options - cable length, labels, coloured boots