The TGA4521 from Qorvo is a RF Amplifier with Frequency 32 to 45 GHz, Small Signal Gain 14 to 20 dB, Output Power 23.5 to 25 dBm, Output Power 0.22 to 0.32 W, P1dB 23.5 to 24.5 dBm. Tags: Surface Mount, Driver Amplifier. More details for TGA4521 can be seen below.