The BD-QSFP28-CD40 from Shanghai Baudcom Communication Device is a Fiber Optic Transceiver with Data Rate 103.1 Gb/s, Wavelength 1294.53 to 1310.19 nm, Distance/Reach 40 km, Output Power -2.9 to 4.5 dBm, Receiver Sensitivity -18.65 to -14.65 dBm. More details for BD-QSFP28-CD40 can be seen below.