The SKY65404-31 from Skyworks Solutions is a RF Amplifier with Frequency 4.9 to 5.9 GHz, Gain 13 dB, Noise Figure 1.2 dB, Output Power 9 dBm, Output Power 0.01 W. Tags: Surface Mount, Low Noise Amplifier, Power Amplifier. More details for SKY65404-31 can be seen below.