The LS38-A3S-TC-N from APAC Opto Electronics Inc. is a Fiber Optic Transceiver with Data Rate 125 to 155 Mb/s, Wavelength 1310 nm, Distance/Reach 30 km, Output Power -15 to -8 dBm, Receiver Sensitivity -34 dBm. More details for LS38-A3S-TC-N can be seen below.