The ASL 4050P4 from Aelius Semiconductors is a RF Amplifier with Frequency 5 to 6 GHz, Gain 22 to 24 dB, Gain Flatness ±1 dB, P1dB 30.5 to 31 dBm, P1dB 1.12 to 1.25 W. Tags: Surface Mount, Power Amplifier. More details for ASL 4050P4 can be seen below.