The DL-PCPMFCM-TT-UUUU-VV-W-X-Y-Z from DenseLight Semiconductors is a Fiber Optic Coupler with Wavelength 1064 nm, Directivity 50 dB, Return Loss 50 dB, Wavelength Dependant Loss 0.3 dB, Operating Temperature -5 to 70 Degree C. More details for DL-PCPMFCM-TT-UUUU-VV-W-X-Y-Z can be seen below.