The LS48-A3U-TC-N51-BE from APAC Opto Electronics Inc. is a Fiber Optic Transceiver with Data Rate 155 Mb/s, Wavelength 1510 nm, Distance/Reach 170 km, Output Power 1 to 5 dBm, Receiver Sensitivity -43 dBm. More details for LS48-A3U-TC-N51-BE can be seen below.