The EDFA-CW-LNF from Nuphoton Technologies, Inc. is a Fiber Optic Amplifier with Supply Voltage 4.75 - 5.25 V, Input Power -40 to -20 dBm, Noise Figure < 3.9 dB, Signal Gain 25 - 47 dB, Wavelength 1528 to 1565 nm. More details for EDFA-CW-LNF can be seen below.