The AMF-4F-00500400-20-10P from Narda-MITEQ is a RF Amplifier with Frequency 500 MHz to 4 GHz, Gain 45 dB, Gain Flatness ± 2 dB, Noise Figure 2 dB, Output Power 10 dBm. Tags: Power Amplifier, Low Noise Amplifier. More details for AMF-4F-00500400-20-10P can be seen below.