The JS4-00104000-58-5P from Narda-MITEQ is a RF Amplifier with Frequency 100 MHz to 40 GHz, Gain 30 dB, Gain Flatness ± 3 dB, Noise Figure 5.8 dB, Output Power 5 dBm. Tags: Power Amplifier, Low Noise Amplifier. More details for JS4-00104000-58-5P can be seen below.