Fiber Optic Attenuator Guide: Types, dB Selection & Applications

29/04/2026 Langzhi Technology


Complete fiber optic attenuator selection guide. Fixed vs adjustable attenuators, SC/LC/FC connector types, 3dB-20dB value selection, and practical applications. Langzhi offers full range fiber attenuators.

What is a Fiber Optic Attenuator?

An optical attenuator reduces optical signal power to prevent receiver saturation. Essential when received power is too strong.

Langzhi fiber attenuators for all applications.

Types

  • Fixed attenuator - 3dB, 5dB, 10dB, 15dB, 20dB values
  • Adjustable attenuator - 0-30dB continuous range

Selection Guide

Signal >-8dBm: use 10-20dB. -8 to -15dBm: 5-10dB. -15 to -22dBm: 3-5dB.

Contact Langzhi for pricing.



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