The SPSN-9-22 from MKS | Newport is a Fiber Optic Switch with Insertion Loss 0.6 - 1.0 dB, Operating Temperature -20 to 65 Degree C, Polarization Dependent Loss 0.05 dB, Storage Temperature -40 to 85 Degree C, Wavelength 1290 - 1570 nm. More details for SPSN-9-22 can be seen below.