The Single Mode WDM Coupler from Sunny Precision Optics is a Fiber Optic Coupler with Insertion Loss 0.15 to 0.25 dB, Bandwidth ±5 nm, ±15 nm, Wavelength 980 nm, 1310 nm, 1480 nm, 1550 nm, Directivity 60 dB, Polarization Dependent Loss 0.1 dB. More details for Single Mode WDM Coupler can be seen below.
