The AFS3-02000400-10-ULN from Narda-MITEQ is a RF Amplifier with Frequency 2 to 4 GHz, Gain 28 dB, Gain Flatness ± 1 dB, Noise Figure 1 dB, Output Power 10 dBm. Tags: Power Amplifier, Low Noise Amplifier. More details for AFS3-02000400-10-ULN can be seen below.