The FMAM4020 from Fairview Microwave is a RF Amplifier with Frequency 17.5 to 21.5 GHz, Gain 1.5 to 1.75 dB, Small Signal Gain 37 to 43 dB pk-pk, Gain Flatness 2.5 dB, Noise Figure 5 to 8 dB. Tags: Power Amplifier. More details for FMAM4020 can be seen below.