The CSB-901A32 from Huber+Suhner is a Fiber Optic Transceiver with Data Rate 1.244 to 9.953 Gb/s, Wavelength 1490 to 1577 nm (Tx), 1270 to 1310 nm (Rx), Distance/Reach up to 20 km, Output Power 3 to 8 dBm, Receiver Sensitivity <-32 to -29 dBm. More details for CSB-901A32 can be seen below.