Loss of Coaxial Cables


The table shown gives typical values for RF loss in several popular coaxial cables in the 100-1000 MHz range. Values are typical and may vary with the manufacturer, condition, and age of the cable. They are a good starting point for estimating loss in a planned cable installation or application.



  Cable
Type
Loss dB/ft
@ 100 MHz
Loss dB/ft
@ 400 MHz
Loss dB/ft
@ 1000 MHz
 
RG58/U
0.05
0.11
0.2
RG59/U
0.038
0.075
0.11
RG8/U
0.025
0.054
0.092
RG174/U
0.11
0.22
0.32
RG188/U
0.105
0.18
0.30
RG213/U
0.025
0.055
0.095
Belden
9913
0.013
0.025
0.044



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