EDFA optical amplifier module provide multi-function, low noise, Erbium-Doped Fiber Amplifier (EDFA) solutions, The amplifier module can be operated at constant gain (Automatic Gain Control AGC), constant output power (Automatic Power Control, APC). This is a highly integrated EDFA, and the large module supports Dual amplifier with two independent gain units . Wide operating wavelength range:1528nm~1565nm Dual amplifier contains two independent gain units Low noise figure: typ 5dB Excellent gain flatness Multiple operating modes: AGC adjustable Gain APC output is adjustable Optional OSC channel for remote management MON port, on-line monitoring optical power and OSNR