The BOA1550P from Thorlabs Inc is a Optical Amplifier with Noise Figure 8.5 to 9.5 dB, Saturated Output Power 17 to 18 dBm, Saturated Output Power 17 to 18 dBm, Gain 24 to 27 dB, Operating Current 900 to 950 mA. More details for BOA1550P can be seen below.