The CHA8252-99F from United Monolithic Semiconductors is a RF Amplifier with Frequency 17.3 to 20.3 GHz, Gain 31 dB (Linear), Small Signal Gain 31 dB, Output Power 40.5 dBm, Output Power 11.22 W. Tags: Die, Power Amplifier. More details for CHA8252-99F can be seen below.