The AFS4-02001800-35-ULN from Narda-MITEQ is a RF Amplifier with Frequency 2 to 18 GHz, Gain 22 dB, Gain Flatness ± 2.5 dB, Noise Figure 3.5 dB, Output Power 10 dBm. Tags: Power Amplifier, Low Noise Amplifier. More details for AFS4-02001800-35-ULN can be seen below.