The APXB23B30xDL40 from ATOP Corporation is a Fiber Optic Transceiver with Data Rate 10.5 Gb/s, Wavelength 1270 to 1330 nm, Distance/Reach 40 km, Output Power 1 to 6 dbm, Receiver Sensitivity -13 dBm. More details for APXB23B30xDL40 can be seen below.