1X2 FBT Splitter All Band

Fiber Optic FBT Splitter

FBT Coupler is a splitter which based on fused biconical taper technology, it is widely accepted and used in passive optical networks (PON) solution. FBT coupler is a traditional technology that two fibers are typically twisted and fused together while the assembly is being elongated and tapered.

KINSOM manufacturing and provide a wide breadth of FBT Coupler splitters, including Singlemode Standard Coupler, Dual Window Coupler, Three Window Coupler, Wide Band Coupler, PM Fused Coupler and All Band Coupler with low insertion loss and high performance. These Fused couplers are available with coupling ration ranging from 1:99 to 50:50. Most important, customized specs are also available.

  • Cheaper than PLC Splitter
  • Couupling ration ranging from 1:99 to 50:50
  • Available for singlemode and multimode fibres
  • Available for single wavelength, dual wavelength, three wavelength, wide band and all band wavelength.

FBT Coupler Catalog (PDF)


  • Low Insertion Loss
  • Low PDL
  • Various Coupling Ratio
  • Compact Size
  • Wide Operating Temperature
  • High Reliability and Stability


  • FTTx Solutions
  • LAN, WAN and Metro Networks
  • Analog/Digital Passive Optical Networks
  • CATV Networks
  • Subscriber Loop
  • Fiber Sensors
  • Fiber Optic Instruments etc.


Depending on the operating range, the FBT Splitter have different connector types as below:

  • 1X2(2X2) Single Mode Single Window Coupler
  • 1X2(2X2) Single Mode Dual Window Coupler
  • 1X2(2X2) Single Mode Triplex Window Coupler
  • Singlemode Tree and Star Couplers
  • All Band Coupler (1260~1620nm)
  • Wide Band Coupler
  • Mini Size Fused Coupler
  • 1X3 Monolithic Single Mode Coupler
  • 1X4 Monolithic Single Mode Coupler
  • 3X3 Monolithic Single Mode Coupler
  • 1X4 Monolithic Triplex Window Single Mode Coupler
  • PM FBT Coupler(PMC)
  • Multi Mode Fiber Coupler
  • 1X3(3X3) Monolithic Multi-Mode Coupler



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