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Handheld Attenuator

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Product Impression:

  1. Manufacturer: SOPTO

  2. Latest Price: Contact online customer service NOW!

  3. End Face Type: PC

  4. Connector Type: FC

  5. Resolution: 0.05dB

  6. Wavelength: 1260nm~1650nm

  7. Calibration Wavelength: 1310/1490/1550/1625nm

  8. Attenuation Range: 2.5~60dB

  9. Min Insertion Loss: <2.5dB

  10. Linearity: ± 0.5 dB

  11. Repeatability: ± 0.2 dB

  12. Overall Attenuation Accuracy: ± 0.8 dB

  13. Applicable Fiber: 9/125um SM

  14. Material: Metal

  15. Storage Temperature: -40~+85°C

  16. Operating Temperature: -25~+85°C

  17. Storage Humidity: 95%RH (Non-Packaging)

  18. Packing: Blister Box Packing

  19. Standard: ROHS

  20. Browse the Evaluation: Click here to browse


Performance Feature:

  1. Wide attenuation range 

  2. Low insertion loss

  3. Reference function

  4. Stepwise attenuating by circum-gyrated dial: attenuating step 0.05dB

  5. Provide with the function of displaying dB and dBm attenuating value.

  6. 10 minutes Auto-off function can be activate and deactivate with keypad operation.

  7. After off the instruments, the system will have the memorizing of the attenuating value and the attenuating step, in order to restore the system back to the previous shut down state when open the instruments next time.

  8. Portable, rugged, lightweight; Easy to use


Note: Part in order to prevail in kind. Please contact customer service before buying.


Quality Certification:

  1. Good Anti-electromagnetic interference (EMI)

  2. Good Electromagnetic compatibility (EMC) which is in accordance with FCC Part15.

  3. Meets ISO9001, TUV, CE, FCC, CAS, UL and RoHS certificates



  1. Advanced dust-free workshop

  2. Experienced technicians

  3. Mature production technology

  4. Standard production process


Information you want to know more:

  1. Reachable Continents: Asia, Europe, Oceania, Africa, the Americas

  2. Arrival Date: 5 to 7 days

  3. Selectable Logistics: FedEx, DHL, TNT, UPS or EMS

  4. Payment Methods: L/C, T/T, Western Union, HSBC, Paypal as well as Cash Payment

  5. Warranty: 1-3 years

  6. Discounts, Promotions and Gifts: Please just contact our online customer services or pay attention to our website.


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Related Read:

  1. Payment methods

  2. Delivery guide

  3. Return & Refund

  4. Guarantee

  5. FAQ


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Description of Handheld Variable Attenuator


Handheld Variable Optical Attenuator is used for continuously variable attenuation of light signals for communications equipment, including digital systems of communication (PDH, SDH) applications, and analog modulation (CATV) systems, but also an essential tool for building and maintenance of optical fiber communication engineering systems.


Application of Handheld Variable Attenuator

  1. Telecom Maintenance

  2. CATV Maintenance

  3. Comprehensive cable construction system

  4. Optical instruments research and development

  5. Optical communication education and lab testing

  6. Other optical project