The HMC442LM1 from Analog Devices is a RF Amplifier with Frequency 17.5 to 24 GHz, Gain 14 dB, Noise Figure 7 dB, Output Power 21.5 dBm, Output Power 0.14 W. Tags: Surface Mount, Gain Block, Power Amplifier, Driver Amplifier. More details for HMC442LM1 can be seen below.