The AFS4-00102000-50-ULN from Narda-MITEQ is a RF Amplifier with Frequency 100 MHz to 20 GHz, Gain 22 dB, Gain Flatness ± 2.8 dB, Noise Figure 5 dB, P1dB 10 dBm. Tags: Power Amplifier, Low Noise Amplifier. More details for AFS4-00102000-50-ULN can be seen below.