The SMM5854V1D from Sumitomo Electric Device Innovations is a RF Amplifier with Frequency 17.7 to 19.7 GHz, Gain 27 dB, Power Gain 22 to 30 dB, Output Power 32.5 dBm, Output Power 1.78 W. Tags: Surface Mount, Ceramic, Hermetic, Power Amplifier. More details for SMM5854V1D can be seen below.