The HMC311LP3 from Analog Devices is a RF Amplifier with Frequency DC to 6 GHz, Gain 14.5 dB, Noise Figure 4.5 dB, Output Power 15.5 dBm, Output Power 0.04 W. Tags: Surface Mount, Gain Block, Driver Amplifier, Power Amplifier. More details for HMC311LP3 can be seen below.