The JS4-17101840-21-8P from Narda-MITEQ is a RF Amplifier with Frequency 17.1 to 18.4 GHz, Gain 35 dB, Gain Flatness ± 0.7 dB, Noise Figure 2.1 dB, Output Power 8 dBm. Tags: Power Amplifier, Low Noise Amplifier. More details for JS4-17101840-21-8P can be seen below.