The SMM5846V1D from Sumitomo Electric Device Innovations is a RF Amplifier with Frequency 27.5 to 29.5 GHz, Gain 20 dB, Power Gain 16 to 19 dB, Output Power 31 dBm, Output Power 1.26 W. Tags: Surface Mount, Ceramic, Hermetic, Power Amplifier. More details for SMM5846V1D can be seen below.