The HMC625B from Analog Devices is a RF Amplifier with Frequency DC to 5 GHz, Gain 5 to 18 dB, Noise Figure 6 dB, Output Power 13 to 19 dBm, Output Power 0.02 to 0.079 W. Tags: Surface Mount, Digital Variable Gain Amplifier. More details for HMC625B can be seen below.