The SMM5728XZ from Sumitomo Electric Device Innovations is a RF Amplifier with Frequency 71 to 76 GHz, Gain 19.5 to 32 dB, Noise Figure 12 dB, Output Power 17 to 20 dBm, Output Power 0.05 to 0.1 W. Tags: Chip, Power Amplifier, Low Noise Amplifier. More details for SMM5728XZ can be seen below.