The ERZ-HPA-0570-0590-42 from ERZIA is a RF Amplifier with Frequency 5.7 to 5.9 GHz, Gain 44.5 to 45.5 dB, Noise Figure 6 to 6.6 dB, Output Power 40.8 to 41.2 dBm, Output Power 12.02 to 13.18 W. Tags: Power Amplifier. More details for ERZ-HPA-0570-0590-42 can be seen below.