The MSW-1X2-2X2-488-1064 from Optosun technology is a Fiber Optic Switch with Insertion Loss K1.5 (Typ 0.7) dB, Operating Temperature 0 to 70 Degree C, Optical Power 10 (Typ 5mW), Polarization Dependent Loss 0.05 dB, Storage Temperature -40 to 85 Degree C. More details for MSW-1X2-2X2-488-1064 can be seen below.