The CHA6282-QCB from United Monolithic Semiconductors is a RF Amplifier with Frequency 17.3 to 21.5 GHz, Gain 30 dB (Linear), Small Signal Gain 30 dB, Saturated Power 3.98 W, Input Power 18 to 20 dBm. Tags: Surface Mount, Power Amplifier. More details for CHA6282-QCB can be seen below.