The AXSxx-192-40 from 10Gtek Transceivers is a Fiber Optic Transceiver with Data Rate 10.3 Gb/s, Wavelength 1270 to 1610 nm (CWDM), Distance/Reach 40 km, Output Power -0.5 to 4 dBm, Receiver Sensitivity -14.1 to 0.5 dBm. More details for AXSxx-192-40 can be seen below.