Original sentence: 25 is almost exclusively used with 300 baud Bell 103 tones  on HF and 1200 baud Bell 202 tones on VHF, although the Manchester encoding differs from the telephone modem standards
Edited sentence: 25 is almost exclusively used with 300 baud Bell 103 tones  on HF and 1200 baud Bell 202 tones on VHF, although the NRZI encoding differs from the telephone modem standards