The AMF-4F-20004000-90-20P from Narda-MITEQ is a RF Amplifier with Frequency 20 to 40 GHz, Gain 15 dB, Gain Flatness ± 3 dB, Noise Figure 9 dB, P1dB 20 dBm. Tags: Power Amplifier, Low Noise Amplifier. More details for AMF-4F-20004000-90-20P can be seen below.