The TS8#3xx series from Teradian is a Fiber Optic Transceiver with Data Rate 1.25 Gbps, Wavelength 1270 to 1610 nm, Distance/Reach 40 to 80 km, Output Power -4 to 2 dB, Receiver Sensitivity -25 to -21 dBm. More details for TS8#3xx series can be seen below.