The SL-A-1x8 from Sercalo Microtechnology is a Fiber Optic Switch with Insertion Loss 0.7 - 1.2 dB, 1.2 - 1.6 dB, 1.3 - 2.0 dB, Operating Temperature 0 to 70 Degree C, Optical Power 150 mW, Polarization Dependent Loss 0.10 - 0.18 dB, Storage Temperature -40 to 70 Degree C. More details for SL-A-1x8 can be seen below.