To support the explosive growth of information and communications technology, wireless Internet connectivity is now considered essential infrastructure and is sometimes referred to as the fourth utility, after electricity, water and gas.
Along with such technologies as 4K/8K ultrahigh definition videos and the so-called Internet of Things (IoT) — the concept of enabling all manner of physical objects to collect and exchange data — the technologies based on the wireless networking standards commonly known as Wi-Fi are also evolving.
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