The SPZ-3FF1-211 from W-Optics Technology is a Fiber Optic Transceiver with Data Rate 10 Gb/s, Wavelength 1270 nm, 1330 nm, Distance/Reach 10 km, Output Power -6.5 to 0.5 dBm, Receiver Sensitivity -12 dBm. More details for SPZ-3FF1-211 can be seen below.