The CHA3666-99F from United Monolithic Semiconductors is a RF Amplifier with Frequency 6 to 17 GHz, Gain 19 to 21 dB, Gain Flatness ±0.5 dB, Noise Figure 1.8 to 2 dB, Output Power 15 to 17 dBm. Tags: Chip, Low Noise Amplifier. More details for CHA3666-99F can be seen below.