The BD-QSFP-CD10 from Shanghai Baudcom Communication Device is a Fiber Optic Transceiver with Data Rate 40 Gb/s, Wavelength 1270 to 1350 nm, Distance/Reach 10 km, Output Power -5.2 to 1 dBm, Receiver Sensitivity -12.5 dBm (Stressed). More details for BD-QSFP-CD10 can be seen below.