https://www.techradar.com/news/5g-and-network-convergence-drives-growth-of-carrier-grade-wi-fi-market

The advent of 5G and smart city applications is driving the market for carrier Wi-Fi products, with the market expected to be worth $3.5 billion over the next four years.

By 2022, IHS Markit predicts sales will have reached $725 million a year as fixed and mobile operators deploy Wi-Fi and dual mode (Wi-Fi and cellular) access points to densify their infrastructure.