The LCP-1250D4RDR from Delta Electronics, Inc. is a Fiber Optic Transceiver with Data Rate 0.155 to 2.488 Gb/s, Wavelength 1550 nm, Distance/Reach 80 km, Output Power 0 to 5 dBm, Receiver Sensitivity -24 dBm. More details for LCP-1250D4RDR can be seen below.