The PA3122 from SUNGSAN is a RF Amplifier with Frequency 869 to 894 MHz / 1930 to 1990 MHz / 2110 to 2170 MHz, Small Signal Gain 49 to 50 dB, Gain Flatness ±0.5 dB, Output Power 47.5 to 49.5 dBm, Output Power 56.23 to 89.13 W. Tags: Power Amplifier. More details for PA3122 can be seen below.