The BXD-2348-040 from Shanghai Baudcom Communication Device is a Fiber Optic Transceiver with Data Rate 155 to 2667 Mb/s, Wavelength 1528 to 1564 nm, Distance/Reach 80 km, Output Power 0 to 4 dBm, Receiver Sensitivity -30 to -28 dBm. More details for BXD-2348-040 can be seen below.