copper1900

Copper wires carried telephone signals for over 100 years, providing reliable but limited bandwidth communication.

#copper#telephone#wires#1900#bandwidth#infrastructure

"Alexander Graham Bell patented the first telephone in 1876, beginning the era of landline communication."

"The wired telephone network, built with copper wires, connected the world for over a century before wireless became dominant."

"DSL technology, introduced in the 1990s, allowed high-speed internet over existing copper telephone lines."