The HPIDI- P-Grade from HJ Optronics, Inc. is a Fiber Optic Isolator with Insertion Loss 0.4 to 0.6 dB, Isolation 46 dB, Operating Temperature -5 to 70 Degree C, Optical Power 5 or 10 W, Polarization Dependent Loss 0.1 dB. More details for HPIDI- P-Grade can be seen below.