KELLER, Texas - The most significant transformation in over a century in the technology used to carry phone calls, data and video to and from homes and businesses is under way in Keller, Texas, a fast ...
The traditional copper telephone wire network still in use today was designed to operate at a bandwidth of up to 4 kHz–the top-end of the voice range. With analog modems, ISDN, and finally xDSL ...
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