The QPL9057 from Qorvo is a RF Amplifier with Frequency 600 MHz to 4.2 GHz, Gain 21.5 to 25 dB, Gain Flatness 2.4 dB, Noise Figure 0.54 to 0.90 dB, IP3 29 to 32 dBm. Tags: Surface Mount, Low Noise Amplifier. More details for QPL9057 can be seen below.