The CHA6354-QQA from United Monolithic Semiconductors is a RF Amplifier with Frequency 27.5 to 30 GHz, Gain 27 dB (Linear), Saturated Power 3.98 W, Input Power 18 to 20 dBm, Input Power 0.0631 to 0.1 W. Tags: Surface Mount, Power Amplifier. More details for CHA6354-QQA can be seen below.