The SMM5731XZ from Sumitomo Electric Device Innovations is a RF Amplifier with Frequency 81 to 86 GHz, Gain 20.5 to 33 dB, Noise Figure 12 dB, Output Power 17 to 20 dBm, Output Power 0.05 to 0.1 W. Tags: Chip, Power Amplifier. More details for SMM5731XZ can be seen below.