The QSFP-100G-LR4-D from 3Coptics is a Fiber Optic Transceiver with Data Rate 100 Gb/s, Wavelength 1294 to 1310 nm (LWDM, Distance/Reach 10 km, Output Power 0.24 to 4 dBm, Receiver Sensitivity -6.9 dBm, -8.8 dBm. More details for QSFP-100G-LR4-D can be seen below.