The AMF-4B-02000400-20-33P-LPN from Narda-MITEQ is a RF Amplifier with Frequency 2 to 4 GHz, Gain 40 dB, Gain Flatness ± 1.5 dB, Noise Figure 2 dB, Output Power 33 dBm. Tags: Power Amplifier, Low Noise Amplifier. More details for AMF-4B-02000400-20-33P-LPN can be seen below.