The BD-XX48-08CD from Shanghai Baudcom Communication Device is a Fiber Optic Transceiver with Data Rate 2.67 Gb/s, Wavelength 1470 to 1610 nm, Distance/Reach 120 km, Output Power 0 to 5 dBm, Receiver Sensitivity -28 dBm. More details for BD-XX48-08CD can be seen below.