Will 4G still work in 2022?

T-Mobile has listed the dates for shutting down Sprint’s 3G and 4G LTE networks, and migrating people to modern broadband speed pastures. These are January 1, 2022 for Sprint’s 3G network sunset, and June 30, 2022 for the 4G LTE connections, respectively.

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Does 2G use FDMA?

1.1 Frequency division multiple access (FDMA) FDMA is the most basic way of creating channels, by assigning users to nonoverlapping frequency bands, it was used in first and 2G cellular systems . In a system with N users and a total bandwidth W, each user can be assigned a bandwidth of W/N.

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