The ERZ-HPA-2300-3700-27 from ERZIA is a RF Amplifier with Frequency 23 to 37 GHz, Gain 17 to 23 dB, Output Power 26 to 28 dBm, Output Power 0.4 to 0.63 W, Saturated Power 26 to 28 dBm. Tags: Power Amplifier. More details for ERZ-HPA-2300-3700-27 can be seen below.