Specifications The Coupler Wavelength Flattened Fiber Optic Coupler extends the optimal wavelength range to a band of 40 nm around the center wavelength of 1310 nm. . This coupler has a bare fiber ends. . Long Range , Great Quality and Support for the long term use . . The Coupler can be used directly with the fiber optic detector. . It can also be used with the 818 or 918D series detectors with the associated FP3-FH1 bare fiber holder and 818-FA2 bare fiber mount. . . Bandwidth – 40 nm . Excess Loss, Typica – l0.1 dB . Operating Temperature – -40 to 85 C . Option Code – 46 . Package Type – B . Operating Humidity – 90 – 95% Note Customer Satisfaction Is Our top Priority. We Guarantee Secure Payment And Qaulity Products. Get GST invoice and save up to 18% on business purchases.