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Shop | Cable Assemblies | HD-SDI Cable Assemblies | HD-SDI Cable Assembly - Belden 1855ENH

HD-SDI Cable Assembly - Belden 1855ENH


HD-SDI patch cables using BELDEN 1855ENH 4.5GHz 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 1855ENH is a Mini RG59 size low loss serial digital coax video cable (OD 4.45mm) suitable for both analogue and digital applications including live broadcast and pre and postproduction. Also suitable for older applications (composite, component & widescreen).

Belden 1855ENH has a 0.65mm conductor, Foil and Braid shields and a Low Smoke LSNH/FRNC jacket available in a range of colours and is suitable for use both indoors and outdoors.


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

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

Recommended maximum transmission distance

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 66M

HD-3Gb/s        maximum distance is 46M

Note: Belden does not quote figures for 1855ENH, quoted figures are for 1855A as guidance.


Cable labels

Cable length

Standard Colours - Green, Turquoise, Violet

Coloured strain relief boots

Technical information

Belden 1855ENH data sheet  1855ENH data sheet 20-1-20.pdf

Belden Recommended transmission distance table   Belden Recommended Transmission Distance at Serial Digital Data Rates.pdf


  • SDI / HD-SDI patch lead for Analogue and Digital signals
  • Belden 4.5GHz precision video cable
  • Precision "true" 75Ohm BNC connectors
  • Black Strain relief boot as standard
  • Options - cable colour, cable length, labels & coloured strain relief boots