The ASL 1026P4 from Aelius Semiconductors is a RF Amplifier with Frequency 4.5 to 6.5 GHz, Gain 18 dB, Gain Flatness ±0.4 dB, Noise Figure 1.25 to 1.6 dB, P1dB 13.5 dBm. Tags: Surface Mount, Low Noise Amplifier. More details for ASL 1026P4 can be seen below.