The AXSDxx-192-40 from 10Gtek Transceivers is a Fiber Optic Transceiver with Data Rate 10.3 Gb/s, Wavelength 1530 to 1565 nm (DWDM), Distance/Reach 40 km, Output Power -2 to 3 dBm, Receiver Sensitivity -16 to 0.5 dBm. More details for AXSDxx-192-40 can be seen below.