The ERZ-HPA-0050-0200-25 from ERZIA is a RF Amplifier with Frequency 500 MHz to 2 GHz, Small Signal Gain 25 to 29 dB, Gain Flatness ±1 dB, Noise Figure 2.8 to 3 dB, Output Power 26 to 31 dBm. Tags: Power Amplifier. More details for ERZ-HPA-0050-0200-25 can be seen below.