The LS48-A3U-TI-N-DX from APAC Opto Electronics Inc. is a Fiber Optic Transceiver with Data Rate 125 to 155 Mb/s, Wavelength 1550 nm, Distance/Reach 145 km, Output Power 0.5 to 5 dBm, Receiver Sensitivity -37.5 dBm. More details for LS48-A3U-TI-N-DX can be seen below.