The ERZ-HPA-0280-0330-40 from ERZIA is a RF Amplifier with Frequency 2.8 to 3.3 GHz, Gain 45.5 to 47 dB, Output Power 39.8 to 41 dBm, Output Power 9.55 to 12.59 W, P1dB 39.8 to 41 dBm. Tags: Power Amplifier. More details for ERZ-HPA-0280-0330-40 can be seen below.