The CHA7453-99F from United Monolithic Semiconductors is a RF Amplifier with Frequency 37.5 to 41.5 GHz, Gain 24 to 28 dB(Linear), Saturated Power 39.5 dBm, Saturated Power 9 W, Input Power 22 dBm. Tags: Chip, Power Amplifier. More details for CHA7453-99F can be seen below.