The AMFW-5F-18102120-140 from Narda-MITEQ is a RF Amplifier with Frequency 18.1 to 21.2 GHz, Gain 40 dB, Gain Flatness ± 1 dB, Noise Figure 1.711 dB, Output Power 10 dBm. Tags: Power Amplifier, Low Noise Amplifier. More details for AMFW-5F-18102120-140 can be seen below.