The EDFA-11-9/125 from OZ Optics Ltd. is a Fiber Optic Amplifier with Supply Voltage -5 to 5 V, Input Power -19 to -11 dBm, Noise Figure 5.5 dB, Saturated Output Power 5 to 13 dBm, Wavelength 1010 to 1080 nm. More details for EDFA-11-9/125 can be seen below.