One hears quite a lot of chatter these days about how the United States “picked the wrong frequencies” to launch 5G networks. That typically refers to choices made by AT&T and Verizon.
Sprint and T-Mobile US have significant mid-band resources, while T-Mobile US touts its deployment using low-band resources. What such critics often overlook is that AT&T and Verizon have big customer bases and limited low-band or mid-band resources they can use today, to support 5G at scale.
Millimeter wave is a virtual necessity for AT&T and Verizon. T-Mobile US and Sprint have different capacity resources, and also do not have so many customers they especially require immediate millimeter wave assets.
All service providers will use a mix of low-band, mid-band and millimeter wave assets to support 5G and all future networks.
In fact, the global roadmap for 5G and 6G makes clear that millimeter wave assets are the underpinning of both those next-generation networks. Use of millimeter is no “mistake;” it is the future.
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