The ERZ-HPA-2900-3100-37-E from ERZIA is a RF Amplifier with Frequency 29 to 31 GHz, Gain 31 to 35 dB, Output Power 35 to 37 dBm, Output Power 3.16 to 5.01 W, P1dB 35 to 37 dBm. Tags: Power Amplifier. More details for ERZ-HPA-2900-3100-37-E can be seen below.