The AFS42-05700590-20-20P-42 from Narda-MITEQ is a RF Amplifier with Frequency 5.7 to 5.9 GHz, Gain 40 dB, Gain Flatness ± 1 dB, Noise Figure 2 dB, Output Power 20 dBm. Tags: Power Amplifier, Low Noise Amplifier. More details for AFS42-05700590-20-20P-42 can be seen below.