How does this bit rate compare to POTS? "Restricted to a narrow frequency range of 300–3,300 Hz, called the voiceband, which is much less than the human hearin

How does this bit rate compare to POTS? "Restricted to a narrow frequency range of 300–3,300 Hz, called the voiceband, which is much less than the human hearing range of 20–20,000 Hz" https://en.wikipedia.org/wiki/Plain_old_telephone_service https://en.wikipedia.org/wiki/Plain_old_telephone_service