The AFS3-02001800-45-20P-4 from Narda-MITEQ is a RF Amplifier with Frequency 2 to 18 GHz, Gain 20 dB, Gain Flatness ± 2 dB, Noise Figure 4.5 dB, Output Power 20 dBm. Tags: Power Amplifier, Low Noise Amplifier. More details for AFS3-02001800-45-20P-4 can be seen below.