The CHA4395-QDG from United Monolithic Semiconductors is a RF Amplifier with Frequency 21 to 27 GHz, Gain 22 dB (Linear), Noise Figure 4 dB, P1dB 0.125 W, Input Power 3 to 4 dBm. Tags: Surface Mount, Power Amplifier. More details for CHA4395-QDG can be seen below.