T-Mobile, for example, uses 600 MHz, 2.5 GHz and 39 GHz for 5G, and when the second tranche of C-band becomes available in 2023, it will have an average 40 MHz of C-band at its disposal . And it just picked up 3.45 GHz spectrum in the FCC’s most recent auction for 5G services, where it spent nearly $3 billion.
Read moreIs C-band the same as 5G?
C-band sits between the two Wi-Fi bands, which are at 2.4GHz and 5GHz . It’s slightly above and very similar to the 2.6GHz band that Clearwire and then Sprint used for 4G starting in 2007, and which T-Mobile currently uses for mid-band 5G.
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