The CMD219C4(GaN) from Qorvo is a RF Amplifier with Frequency 4 to 8 GHz, Gain 22.5 dB, Noise Figure 1 dB, Output Power 17 to 25.5 dBm, Output Power 0.05 to 0.35 W. Tags: Surface Mount, Low Noise Amplifier. More details for CMD219C4(GaN) can be seen below.