The CHA2050-QDG from United Monolithic Semiconductors is a RF Amplifier with Frequency 17 to 21.5 GHz, Gain 26 dB (Linear Gain), Noise Figure 1.3 dB, P1dB 0.004 W, IP3 17 dBm. Tags: Surface Mount, Low Noise Amplifier. More details for CHA2050-QDG can be seen below.