The PIIS-D-8-P from COMCORE Technologies is a Fiber Optic Isolator with Insertion Loss 2.4 dB to 3.4 dB, Isolation 45 dB, Operating Temperature -5 to 70 Degree C, Optical Power 300 mW, Polarization Dependent Loss 0.1 dB. More details for PIIS-D-8-P can be seen below.