The JPA-20-4000-2 from RF Bay is a RF Amplifier with Frequency 20 to 4000 MHz, Gain 38 to 42 dB (Small Signal Gain), Small Signal Gain 38 to 42 dB, Gain Flatness ±1.5 to 2.5 dB, Noise Figure 6 to 7 dB. Tags: Power Amplifier. More details for JPA-20-4000-2 can be seen below.