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canonical_url: "https://www.artisantg.com/TestMeasurement/55304-6/Exfo-FVA-3100-B91-Variable-Attenuator"
json_url: "https://www.artisantg.com/TestMeasurement/55304-6/Exfo-FVA-3100-B91-Variable-Attenuator.json"
generated_at: "2026-11-06T23:47:17.455Z"
last_updated: "2026-07-30T09:10:57.047-05:00"
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# Exfo FVA-3100-B91 Variable Attenuator

_Summary and Categories are this item's record. The description sections and FAQ are machine-assisted and can contain errors; where they disagree with the record, the record is correct, and where description sections disagree with each other, Details wins._

## Summary

- Manufacturer: Exfo
- Model: FVA-3100-B91
- Condition: Used and in Excellent Condition
- Price: Quote only
- Availability: Not in Stock
- Warranty: 1-Year Warranty with 30-Day Return Guarantee
- ITAR restricted: No
- Shipping weight: 10 lb
- Shipping dimensions: 20X16X14 in

## Categories

- Test Equipment > Optical Test > Attenuators (primary)

## Details

FVA-3100-B91
- Optical Interface:  *SC/APC
- Fiber Type: 9/125 µm
- Wavelength Range: 1200 to 1650 nm
- Measured Insertion Loss: 0.5 dB at 1550 nm

 *This unit comes with the standard Exfo optical interface as shown here. The Exfo Universal Interface (EUI) Connector Adapters are sold separately. They can be purchased here.

## Images

- <https://www.artisantg.com/itemimages/exfo_fva_3100_view1.jpg>
