The APX55HM0CDL1B from ATOP Corporation is a Fiber Optic Transceiver with Data Rate 9.95 to 11.3 Gb/s, Wavelength 1550 nm, Distance/Reach 100 km, Output Power 0 to 6 dbm, Receiver Sensitivity -24 to -27 dBm. More details for APX55HM0CDL1B can be seen below.