The CHA3688aQDG from United Monolithic Semiconductors is a RF Amplifier with Frequency 12.5 to 30 GHz, Gain 21 to 26 dB, Gain Flatness ±1.5 to 2 dB, Noise Figure 2 to 2.6 dB, Output Power 13 to 14 dBm. Tags: Surface Mount, Low Noise Amplifier. More details for CHA3688aQDG can be seen below.