The OLD2353-H4-AFC from Optocom Corporation is a Laser Diode with Wavelength 1480 nm, 1580 nm, Output Power 0.4 mW, Output Power 0.4 mW, Operating Voltage 1.1 to 1.5 V, Operating Current 30 to 40 mA. More details for OLD2353-H4-AFC can be seen below.