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FTBx-5235 - optical spectrum analyzer

New, compact OSA designed to measure channel power and wavelength, characterize Remote PHY deployments and analyze DWDM networks

Spec sheet (PDF)

All products FTBx-5235 - optical spectrum analyzer
All products FTBx-5235 - optical spectrum analyzer

A cable operator’s best friend

EXFO’s new FTBx-5235 gives operators the power to address all the features of today’s hybrid networks—DWDM wavelengths, CWDM wavelengths and Remote PHY—with a single tool.

Key features

  • Compact, entry-level optical spectrum analyzer (OSA) for any type of WDM rollout
  • Handheld OSA with the largest screen in the industry
  • Portable and lightweight
  • Ideal for cable operators
  • Intuitive user interface
  • Highly reliable tool made by the No. 1 vendor of OSAs worldwide


  • Channel power measurement
  • Channel wavelength measurement
  • DWDM network analysis
  • Remote PHY deployment characterization


Cover all WDM technologies

This compact, entry-level optical spectrum analyzer is ideal for a variety of field applications, including DWDM and CWDM network commissioning and troubleshooting. It features all the typical OSA capabilities, including power and wavelength measurements, WDM and drift mode, OSNR testing and offline postprocessing.

Enjoy intuitive user interface

Learning to operate the FTBx-5235 is easy thanks to its intuitive Windows interface.

Experience superior power handling

The powerful FTBx-5235 can handle up to 23 dBm per channel, which makes it ideal for modern cable operator networks.

Ensure the quality of form-factor pluggables

100 GigE deployments have triggered a transition from 10G and lower-rate service (SFP/SFP+XFP) to 40G/100G, using CFPs and QSFP28. But CFPs and QPSP28 greatly vary in quality, and many are simply defective. The FTBx-5235 is designed to assess the quality of pluggables in today’s rapid network transformations.

FTBx-5235 - optical spectrum analyzer

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