It is easy to forget, in the 5G launch, that advanced 4G networks still are being built, and continue to supply the bulk of mobile internet connect time. The Global Mobile Suppliers Association reports that 315 operators have deployed LTE-Advanced networks in 142 countries or territories. Some 327 operators in 138 countries/territories are investing in at least one of the three key Gigabit LTE component technologies.
37 operators (representing nearly 12 percent of all the deployed/launched LTE-Advanced networks) can support UE Cat-16 peak theoretical DL speeds (up to 750 Mbps) or above. Some 32 of those 37 have announced Gigabit (or very near at 979 Mbps) peak theoretical throughput, or better, in the downlink in their deployed/commercial networks.
12 of them have pockets of LTE network capable of delivering the maximum DL speeds supported by Cat-18 devices (up to 1.2 Gbps). Five of those have announced parts of their network can deliver a maximum rate in its commercial LTE network of between 1.2 Gbps and 1.6 Gbps (Cat-19).
For many customers, advanced LTE is likely to provide the experience required, making 5G optional in the short term. That will change over time as consumer demand for bandwidth outstrips the ability of 4G to continue adding capacity.
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