The QCP-10G3A4EDR from Delta Electronics, Inc. is a Fiber Optic Transceiver with Data Rate 40 Gb/s, Wavelength 850 nm, Distance/Reach 0.1 km(100 m), Output Power 7.6 to 2.4 dBm, Receiver Sensitivity -5.6 dBm. More details for QCP-10G3A4EDR can be seen below.