The BOA1250S from Thorlabs Inc is a Optical Amplifier with Noise Figure 7 to 9 dB, Saturated Output Power 15 to 17 dBm, Saturated Output Power 15 to 17 dBm, Gain 27 to 32 dB, Operating Current 600 to 700 mA. More details for BOA1250S can be seen below.