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Fiber attenuators are used to control the power level of optical communication signals at the output of the light source and E/O converters. They are also used for testing the linearity and dynamic range in photosensors. iFiber Optix attenuators are Telcordia GR-910-CORE compliant. Attenuation variations of 0.5% for <10 dB and 10% for >10 dB ensure accurate power output.

  • Precise attenuation values
  • Environmentally stable and reliable
  • Excellent return loss
  • Bidrectional
  • No air gap


  • Attenuation Range: 3~20 dB
  • Operating Temperature: -40~+70°C
  • Storage Temperature: -50~+85°C
  • Return Loss UPC: >55 dB
  • Return Loss APC: >60 dB