The PMS-L-15-0202 from AC Photonics is a Fiber Optic Switch with Insertion Loss 0.8 dB (Typ.), 1.2 dB (Max.), Operating Temperature 0 to 70 Degree C, Optical Power 500mW, Storage Temperature -40 to 85 Degree C, Wavelength 1510 to 1590. More details for PMS-L-15-0202 can be seen below.