The SW2x1-9N from Sercalo Microtechnology is a Fiber Optic Switch with Insertion Loss 0.5 - 0.9 dB, Operating Temperature 0 to 70 Degree C, Optical Power 5 - 25 mW, Polarization Dependent Loss 0.04 - 0.10 dB, Storage Temperature -40 to 85 Degree C. More details for SW2x1-9N can be seen below.