The PIDI-AA-B-C-D-F-G from HJ Optronics, Inc. is a Fiber Optic Isolator with Optical Power 300 mW, Isolation 28 to 45 dB, Insertion Loss 1.6 to 3.4 dB, Wavelength 1064 nm, Polarization Dependent Loss 0.15 dB. More details for PIDI-AA-B-C-D-F-G can be seen below.