The C+L band from Nano giga is a Optical Amplifier with Noise Figure -1 dB, Gain 10 dB, Supply Voltage (AC) 80 to 240 VAC, 47 to 63 Hz, Wavelength Range 1528 to 1605 nm, Operating Temperature 0 to 40 Degree C. More details for C+L band can be seen below.