The AFS3-00502000-50-18P-4 from Narda-MITEQ is a RF Amplifier with Frequency 500 MHz to 20 GHz, Gain 20 dB, Gain Flatness ± 2.5 dB, Noise Figure 5 dB, P1dB 18 dBm. Tags: Power Amplifier, Low Noise Amplifier. More details for AFS3-00502000-50-18P-4 can be seen below.