The JS21-02000400-09-10P from Narda-MITEQ is a RF Amplifier with Frequency 2 to 4 GHz, Gain 47 dB, Gain Flatness ± 1.6 dB, Noise Figure 0.9 dB, P1dB 10 dBm. Tags: Power Amplifier, Low Noise Amplifier. More details for JS21-02000400-09-10P can be seen below.