Cable Attenuation Calculator

Calculate coaxial cable signal attenuation based on cable type, frequency, and length. Supports RG-6, RG-8, RG-58, RG-59, RG-174, RG-213, LMR-400, and LMR-600.

How to Use Cable Attenuation Calculator

Select a cable type, enter the operating frequency in MHz and cable length. Click Calculate to see total attenuation in dB, attenuation per 100 feet, power retained percentage, and signal voltage retained.

Step-by-Step Instructions

  1. Select cable type from the dropdown
  2. Enter frequency in MHz
  3. Enter cable length and select unit
  4. Click Calculate Attenuation for results

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