The Step Index Fiber Coupler from SEDI-ATI Fibres Optiques is a Fiber Optic Coupler with Wavelength 532 to 1625 nm, Directivity 30 dB, Insertion Loss 4 dB, Operating Temperature -20 to 70 Degree C, Storage Temperature -40 to 85 Degree C. More details for Step Index Fiber Coupler can be seen below.