The AMF-4D-00100400-21-24P from Narda-MITEQ is a RF Amplifier with Frequency 100 MHz to 4 GHz, Gain 40 dB, Gain Flatness ± 1.5 dB, Noise Figure 2.1 dB, P1dB 24 dBm. Tags: Power Amplifier, Low Noise Amplifier. More details for AMF-4D-00100400-21-24P can be seen below.