The FESL-1300-20-BTF from Frankfurt Laser Company is a Superluminescent Diode with Wavelength 1280 to 1320 nm, Output Power 10 to 20 mW, Bandwidth (FWHM) 40 to 45 nm, Forward Voltage 2 V, Forward Current 500 mA. More details for FESL-1300-20-BTF can be seen below.