The CHA7453-99F from United Monolithic Semiconductors is a RF Amplifier with Frequency 37.5 to 41.5 GHz, Gain 28 dB (Linear), Saturated Power 8.912 W, Input Power 22 dBm, Input Power 0.158 W. Tags: Die, Power Amplifier. More details for CHA7453-99F can be seen below.