The CSS-945A22 from Huber+Suhner is a Fiber Optic Transceiver with Data Rate 1.0625 to 11.3 Gb/s, Wavelength 1528.77 to 1566.72 nm (Tx), 1480 to 1580 nm (Rx), Distance/Reach up to 80 km, Output Power -1 to 3 dBm, Receiver Sensitivity <-23 dBm. More details for CSS-945A22 can be seen below.