The AFD3-037042-20 from L3Harris Narda-MITEQ is a RF Amplifier with Frequency 3.7 to 4.2 GHz, Gain 32 dB, Gain Flatness ± 0.5 dB, Noise Figure 2 dB, P1dB 10 dBm. Tags: Power Amplifier, Low Noise Amplifier. More details for AFD3-037042-20 can be seen below.