The CHA2097a99F from United Monolithic Semiconductors is a RF Amplifier with Frequency 20 to 40 GHz, Small Signal Gain 16 to 18 dB pk-pk, Gain Flatness ±1.5 dB, Output Power 13 to 14 dBm, Output Power 0.02 to 0.03 W. Tags: Variable Gain Amplifier. More details for CHA2097a99F can be seen below.