Carrier providers walk the thin line of providing an optimum user experience while keeping operating costs down. The onset of 5G will bring many new challenges for carriers, such as lower latency, high data rates, high capacity and low energy costs. New technologies like GaN have the capability to address these challenges. Letting carriers meet the needs of customers and their operational bottom line. This paper explores how GaN will address 5G RF front-end challenges, helping carriers meet their goals while they evolve from 4G LTE to 5G.