The Polarization Insensitive Isolator 980nm Single Mode from VFIBRE CABLE LIMITED is a Fiber Optic Isolator with Optical Power 300 mW, 1000 mW, Isolation 28 dB, Insertion Loss 0.6 to 1 dB, Wavelength 980 nm, Polarization Dependent Loss 0.1 dB. More details for Polarization Insensitive Isolator 980nm Single Mode can be seen below.