The PA3135 from SUNGSAN is a RF Amplifier with Frequency 1.805 to 1.88 GHz, Small Signal Gain 50 dB, Gain Flatness ±0.5 dB, Input Power 20 dBm, Input Power 0.1 W. Tags: Power Amplifier, Automatic Gain Controlled Amplifier. More details for PA3135 can be seen below.