The JS42-18004000-45-5P from Narda-MITEQ is a RF Amplifier with Frequency 18 to 40 GHz, Gain 35 dB, Gain Flatness ± 3.5 dB, Noise Figure 4.5 dB, Output Power 5 dBm. Tags: Power Amplifier, Low Noise Amplifier. More details for JS42-18004000-45-5P can be seen below.