The JS1-00100100-21-12P from Narda-MITEQ is a RF Amplifier with Frequency 100 MHz to 1 GHz, Gain 14.5 dB, Gain Flatness ± 1 dB, Noise Figure 3 dB, Output Power 12 dBm. Tags: Power Amplifier, Low Noise Amplifier. More details for JS1-00100100-21-12P can be seen below.