The FSLD-1480_1550-05-FC from Frankfurt Laser Company is a Superluminescent Diode with Wavelength 1480 to 1550 nm, Output Power 4 to 5 mW, Bandwidth (FWHM) 30 to 45 nm(Spectral Width), Forward Voltage 1.9 to 2.5 V, Forward Current 400 mA. More details for FSLD-1480_1550-05-FC can be seen below.