The ALQ10-LR4-10 from 10Gtek Transceivers is a Fiber Optic Transceiver with Data Rate 44.8 Gb/s, Wavelength 1270 to 1330 nm, Distance/Reach 10 km, Output Power -7 to 2.3 dBm, Receiver Sensitivity -13.7 dBm. More details for ALQ10-LR4-10 can be seen below.