The CHA8254-99F from United Monolithic Semiconductors is a RF Amplifier with Frequency 17.3 to 20.3 GHz, Gain 29 dB (Linear), Small Signal Gain 29 dB, Output Power 40 dBm, Output Power 10 W. Tags: Die, Power Amplifier. More details for CHA8254-99F can be seen below.