The APSP55WM3CDL40 from ATOP Corporation is a Fiber Optic Transceiver with Data Rate 1.0625 to 11.3 Gb/s, Wavelength 1550 nm, Distance/Reach 40 km, Output Power -1 to 2 dbm, Receiver Sensitivity -15.8 to -19 dBm. More details for APSP55WM3CDL40 can be seen below.