The 25GSFP-BX-10U-I from 3Coptics is a Fiber Optic Transceiver with Data Rate 25 Gb/s, Wavelength 1270 nm, 1330 nm (DFB), Distance/Reach 10 km, Output Power -7 to 2 dBm, Receiver Sensitivity -14 dBm. More details for 25GSFP-BX-10U-I can be seen below.