The global 5G infrastructure market size is expected to reach $80.5 billion by 2028, according to a study by Grand View Research. The global market for 5G is set to expand at a CAGR of 49.8% from 2021 to 2028. The sub-6 GHz segment held the dominant share of 94.7% in 2019. The growing need for high bandwidth capacity to establish unified connectivity to millions of Industrial IoT (IIoT) devices is also expected to foster market growth from 2020 to 2027.
Source: https://www.helpnetsecurity.com/2021/08/05/5g-infrastructure-market-2028/