The CHA2293-99F from United Monolithic Semiconductors is a RF Amplifier with Frequency 24 to 30 GHz, Small Signal Gain 22 to 24 dB pk-pk, Gain Flatness ±1.5 dB, Noise Figure 3 to 3.5 dB, Output Power 12 dBm. Tags: Variable Gain Amplifier. More details for CHA2293-99F can be seen below.