The AMF-4D-00021800-40-6P from Narda-MITEQ is a RF Amplifier with Frequency 20 MHz to 18 GHz, Gain 22 dB, Gain Flatness ± 1.75 dB, Noise Figure 4 dB, Output Power 6 dBm. Tags: Power Amplifier, Low Noise Amplifier. More details for AMF-4D-00021800-40-6P can be seen below.