The AS0104-400/100 from MILMEGA is a RF Amplifier with Frequency 1 to 4 GHz, Gain 45.5 to 51.5 dB, Gain Flatness ±2 dB, Noise Figure 6 to 8 dB, P1dB 55.5 dBm. Tags: Benchtop / Rackmount, Power Amplifier. More details for AS0104-400/100 can be seen below.