The ERZ-HPA-2000-4000-24 from ERZIA is a RF Amplifier with Frequency 20 to 40 GHz, Gain 16 to 24 dB, Output Power 22 to 26 dBm, Output Power 0.16 to 0.4 W, Saturated Power 22 to 26 dBm. Tags: Power Amplifier. More details for ERZ-HPA-2000-4000-24 can be seen below.