The CHA3666-FAA from United Monolithic Semiconductors is a RF Amplifier with Frequency 6 to 16 GHz, Gain 18.5 to 21 dB, Small Signal Gain 18.5 to 21 dB pk-pk, Gain Flatness ±1 dB, Noise Figure 1.8 to 2.5 dB. Tags: Surface Mount, Low Noise Amplifier. More details for CHA3666-FAA can be seen below.