Photovoltaics is the fastest-growing energy source. Of the thin film PV technologies, cadmium telluride (CdTe) dominates. It is largely concentrated within the US, where it accounts for 40 % of US utility-scale PV power. In recent years, the commercial efficiency of CdTe panels has been playing a catch-up game with conventional silicon and is currently trailing by ~3 %. Efficiency, however, is not the only deciding factor.

Where does 5G stand three years after its first commercialization in 2019? Let's start with the frequency band. We know that the sub-6 GHz (3.5 - 7 GHz) and millimeter wave (mmWave, >24 GHz) bands are the two new bands among the spectrum covered in 5G. Despite the hype surrounding mmWave, according to IDTechEx's "5G Market 2023-2033: Technology, Trends, Forecasts, Players" report, 53% of 5G commercial/pre-commercial services are actually based on sub-6 GHz, with mmWave accounting only for less than 10% of the market.