The LS48-C3U-TC-N-DU from APAC Opto Electronics Inc. is a Fiber Optic Transceiver with Data Rate 1063 to 1250 Mb/s, Wavelength 1550 nm, Distance/Reach 120 km, Output Power 5 dBm, Receiver Sensitivity -32 dBm. More details for LS48-C3U-TC-N-DU can be seen below.