The SSK-xALx-x11 from W-Optics Technology is a Fiber Optic Transceiver with Data Rate 1.25 Gb/s, Wavelength 1310 nm, 1550 nm, Distance/Reach 60 km, Output Power 0 to 5 dBm, Receiver Sensitivity -25 dBm. More details for SSK-xALx-x11 can be seen below.