The A5ALXND3FDGA0738 from Applied Optoelectronics is a Fiber Optic Transceiver with Data Rate 3.18 Gb/s, Wavelength 1310 nm, Distance/Reach 40 km, Output Power 0 to 5 dBm, Receiver Sensitivity -25 dBm. More details for A5ALXND3FDGA0738 can be seen below.