Exfo IQS-3100-B-EI Variable Attenuator
  • Exfo_IQS_3100_B_EI_View1_201661511286
  • Exfo_IQS_3100_B_EI_View2_201661511286
  • Exfo_IQS_3100_B_EI_View3_201661511286
  • Exfo_IQS_3100_B_EI_View4_201661511286

Exfo IQS-3100-B-EI Variable Attenuator

• Fiber: 9/125 μm
• Wavelength Range: 1200 to 1650 nm
• Maximum Attenuation: ≥70 dB
• Typical Insertion Loss: 1.1 dB
• Maximum Insertion Loss: 1.8 dB
• Connector Type: *PC

*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.

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Stock # 88925-1
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Exfo IQS-3100 Series Variable Attenuators

  • Excellent Spectral Uniformity of ±0.1 dB
  • 100 dB Maximum Attenuation
  • Monitor Output Option
  • Ultra-Low Insertion Loss
  • Ideal for BER Testing
  • Singlemode and Multimode


The Exfo IQS-3100 Series Variable Attenuators combine innovative design techniques, high-quality components and meticulous calibration procedure. Optical system vendors and transceiver manufacturers know that variable attenuators are essential in order to keep their test systems running smoothly. They look for performance, user-friendliness, complete control of test parameters and advanced programming capability.

Reliability and repeatable performance. That's what the IQS-3100 offers, in a flexible and fully programmable module built for both singlemode and multimode applications. Choose from three attenuation modes: absolute, relative and X+B. Cycle through a repeatable sequence of up to 100 attenuation steps. Need to highlight SMF and MMF application. Add a user-friendly Windows environment, and you've got a first-class variable attenuator.

Product Family: IQS-3100, IQS-3100-B-EI

Important Notice: Please note that any additional items included with this equipment such as accessories, manuals, cables, calibration data, software, etc. are specifically listed in the above stock item description and/or displayed in the photos of the equipment. Please contact one of our Customer Support Specialists if you have any questions about what is included with this equipment or if you require any additional information.

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Exfo IQS-3100 Series Variable AttenuatorsExfo IQS-3100 Series Variable AttenuatorsExfo IQS-3100 Series Variable Attenuators
Exfo IQS-3100 Series Variable Attenuators

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Manuals, Datasheets, Drivers, Links

Exfo IQS-3100 Series Datasheet (pdf) 
Link to Exfo Website 

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