The SXLT2x2MM from Sercalo Microtechnology is a Fiber Optic Switch with Insertion Loss 0.4 - 1.0 dB, Operating Temperature -10 to 70 Degree C, Storage Temperature -40 to 70 Degree C, Wavelength 600 - 1700 nm. More details for SXLT2x2MM can be seen below.