The JS4-02004000-57-5P from Narda-MITEQ is a RF Amplifier with Frequency 2 to 40 GHz, Gain 30 dB, Gain Flatness ± 3 dB, Noise Figure 5.7 dB, Output Power 5 dBm. Tags: Power Amplifier, Low Noise Amplifier. More details for JS4-02004000-57-5P can be seen below.