The SKY65981-11 from Skyworks Solutions is a RF Amplifier with Frequency 5.15 to 5.85 GHz, Gain 13 dB, Noise Figure 1.5 dB, Input Return Loss 7 dB, Supply Voltage 3.3 V. Tags: Surface Mount, Low Noise Amplifier, Power Amplifier. More details for SKY65981-11 can be seen below.