The ERZ-HPA-0900-1000-56 from ERZIA is a RF Amplifier with Frequency 9 to 10 GHz, Power Gain 55 to 63 dB, Small Signal Gain 67 to 73 dB, Gain Flatness ±1 dB, Saturated Power 56 to 57 dBm. Tags: Power Amplifier. More details for ERZ-HPA-0900-1000-56 can be seen below.