The CHA3660-QQG from United Monolithic Semiconductors is a RF Amplifier with Frequency 21 to 27.5 GHz, Gain 22 to 25 dB, Noise Figure 4 dB, Output Power 18 to 21.5 dBm, Output Power 0.06 to 0.14 W. Tags: Surface Mount, Power Amplifier. More details for CHA3660-QQG can be seen below.