The HMC637ALP5 from Analog Devices is a RF Amplifier with Frequency DC to 6 GHz, Gain 13 dB, Noise Figure 5 to 12 dB, Output Power 27 to 29 dBm, Output Power 0.5 to 0.79 W. Tags: Surface Mount, Power Amplifier. More details for HMC637ALP5 can be seen below.