The PA2021 from SUNGSAN is a RF Amplifier with Frequency 925 to 960 MHz, Small Signal Gain 53 to 54 dB, Gain Flatness ±0.5 dB, Output Power 53.01 to 53.98 dBm, Output Power 199.99 to 250.03 W. Tags: Power Amplifier. More details for PA2021 can be seen below.