The ERZ-HPA-2700-4200-27 from ERZIA is a RF Amplifier with Frequency 27 to 42 GHz, Gain 32 to 38 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-2700-4200-27 can be seen below.