nostr:npub1r89lejecvj7q25pqsf9ed63exe3rp3cezdkudk0fr7dwklde6gsqvqs5dt nostr:npub1a73wyr3s8ffagwsnlfd548d0nsaqcwdnn6550akehaxglw3kzc8qce7y6q 4G and 5G are almost the same. Look up encoding and frequencies. There are 3G schemes which map 5G.