The document provides a comprehensive technical and cost analysis of radio frequency front-end module (RFFE) technologies in 5G smartphones, focusing on 31 devices released in 2020. It includes detailed component breakdowns, smartphone teardowns, supplier rankings, and market analysis, revealing trends in integration and material substrates used in 5G RF components. The report aims to track the evolution of RFFE technology and offers insights into manufacturing costs and supplier strategies in the rapidly growing 5G sector.