TravisB 5 Dial-Up Advanced Why can't data transmission over conventional phone lines be any faster? The Public Switched Telephone Network was originally designed for voice communications only. To reduce the bandwidth required for a voice call, engineers limited the frequencies from 0 to 4000Hz allowing more simultaneous calls (The range of the normal human voice is 300 to 3500Hz.) Unfortunately, this bandwidth range has a detrimental effect on data communications. Multiple Hardin broadband , Hardin, TX broadband HardinHardin , broadband Texas, Hardin broadband
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