The AXB23-192-20 from 10Gtek Transceivers is a Fiber Optic Transceiver with Data Rate 10.3 Gb/s, Wavelength 1270 nm (Tx), 1330 nm (Rx), Distance/Reach 20 km, Output Power -2 to 2 dBm, Receiver Sensitivity -14 to 0.5 dBm. More details for AXB23-192-20 can be seen below.