The LS48-A3U-TC-N from APAC Opto Electronics Inc. is a Fiber Optic Transceiver with Data Rate 125 to 155 Mb/s, Wavelength 1550 nm, Distance/Reach 120 km, Output Power 5 dBm, Receiver Sensitivity -35 dBm. More details for LS48-A3U-TC-N can be seen below.