The CHA2069-QDG from United Monolithic Semiconductors is a RF Amplifier with Frequency 18 to 31 GHz, Gain 16.5 to 19.5 dB, Gain Flatness ±2 to 2.5 dB, Noise Figure 3 to 4.5 dB, Output Power 9 to 10.5 dBm. Tags: Surface Mount, Low Noise Amplifier. More details for CHA2069-QDG can be seen below.