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There are three major categories of
Broadband Over Powerlines (BPL):
Access BPL uses electrical distribution lines, overhead or
underground, to provide broadband Internet access to homes and businesses.
In-building BPL systems are designed to use the electrical wiring
within a building to network computers.
Control PLC operates below 500 kHz, and is used by electric-utility
companies to control their equipment using the power-lines as transmission
lines.
Broadband over Power Lines (BPL) also goes by a few other names and
acronyms: Power Line Communications (PLC, Power Line Telecommunications (PLT),
and Power Line Broadband (PLB) are terms also used. |
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Most of these papers and links
use the term "BPL." There are a number of types of PLC systems, using
different approaches and architecture. All are "carrier-current" systems, a
term used to describe systems that intentionally conduct signals over
electrical wiring or power lines. |