4G and 5G can use the same frequencies, but they don't coexist on the same frequencies like the different revisions of WiFi can. 5G can also operate on additio

4G and 5G can use the same frequencies, but they don't coexist on the same frequencies like the different revisions of WiFi can. 5G can also operate on additional higher frequencies than regular 4G deployments. But often a lot of 5G you see deployed are in the same 700-1900MHz-ish kind of range.